{"title":"Circuitron","description":"\u003cp\u003eShop all Circuitron model train electronics at Oakville Model Trains Depot.\u003c\/p\u003e","products":[{"product_id":"circuitron-1031-flw-1-white-strobe-lamp-1-4mm-1-3-1-5v-model-railroad-lighting","title":"Circuitron 1031 FLW-1 White Strobe Lamp (1.4mm Incandescent, 1.3–1.5V)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 1031 FLW-1 White Strobe Lamp\u003c\/strong\u003e is a complete micro-strobe assembly built around a 1.4 mm white incandescent bulb — for prototype-correct flash lighting on locomotives, towers, and emergency vehicles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e A small driver circuit fires a 1.4 mm incandescent bulb (included) in a sharp strobe flash. Same physical size as the FL-1, but with the brighter white-strobe behaviour seen on modern locomotives and tower beacons.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulb included:\u003c\/strong\u003e 1.4 mm incandescent, 1.3–1.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash colour:\u003c\/strong\u003e Bright white strobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Battery or track-power adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Any scale — modern diesel hood-top strobes, water-tank warning lights, emergency-vehicle scenes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 1031 (Walthers 800-1031)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Use with a Circuitron TP-2 \/ TP-3 track-power adapter (2002 \/ 2003) or any small 1.5 V DC source for clean operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098452746422,"sku":"800-1031","price":18.74,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_15458825-45ad-4bec-87fd-ea0c0075522f.png?v=1777603273"},{"product_id":"circuitron-1100-strobe-flasher-amtrak-style-new","title":"Circuitron 1100 Amtrak-Style Strobe Flasher Driver Circuit","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 1100 Strobe Flasher Amtrak Style\u003c\/strong\u003e is a flasher driver circuit that produces the distinctive twin-pulse \u003cstrong\u003eAmtrak-style strobe\u003c\/strong\u003e seen on AEM-7, F40PH, P40 \/ P42, GG1, and modern Amtrak F59PH \/ Sprinter ACS-64 locomotives.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Generates the prototype Amtrak strobe pattern — two rapid pulses followed by a pause — for an LED or small incandescent bulb mounted in the loco shell.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash pattern:\u003c\/strong\u003e Amtrak twin-pulse strobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrives:\u003c\/strong\u003e Single LED or small incandescent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 12 V DC (from PS-2 5302 or TP-2 \/ TP-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Modern Amtrak passenger locomotive lighting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 1100 (Walthers 800-1100)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e LEDs require a series resistor — calculate for ~10 mA at your supply voltage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098453434550,"sku":"800-1100","price":18.74,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_697aa819-4e02-48e3-81d2-256a89dcaabf.png?v=1777603279"},{"product_id":"circuitron-1302-end-of-train-flasher-red-light-new","title":"Circuitron 1302 End-Of-Train (EOT) Flasher Red Light Driver","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 1302 End-Of-Train Flasher Red Light\u003c\/strong\u003e is a driver circuit that produces the prototype \u003cstrong\u003eEnd-Of-Train (EOT \/ FRED)\u003c\/strong\u003e red-flashing pattern for the last car of a freight train.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Drives a small red LED or 1.4 mm red incandescent at the prototype EOT flash rate, mimicking the FRED (Flashing Rear-End Device) seen on every modern North American freight train since the early 1980s.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash pattern:\u003c\/strong\u003e Prototype EOT slow-strobe red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrives:\u003c\/strong\u003e Red LED or 1.4 mm red incandescent bulb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Battery or track-power adapter (TP-2 \/ TP-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Caboose-replacement \/ FRED scenes on the last freight car\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 1302 (Walthers 800-1302)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Pair with a Circuitron 1031 strobe driver on the locomotive for a complete prototype-correct train.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098455269558,"sku":"800-1302","price":23.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_3d1a0b7e-6413-49c7-98ac-964ea35610c8.png?v=1777603288"},{"product_id":"circuitron-1400-ho-scale-dl-1-oscillating-ditch-lights","title":"Circuitron 1400 DL-1 Oscillating Ditch-Light Driver (HO)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 1400 HO Scale DL-1 Oscillating Ditch Lights\u003c\/strong\u003e is a complete \u003cstrong\u003editch-light oscillator\u003c\/strong\u003e driver — produces the alternating left-right flash pattern of modern diesel ditch lights, mandated on North American freight diesels since 1996.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Drives two LEDs (or two small bulbs) in the prototype ditch-light alternating pattern. Triggered by horn \/ function output or set to continuous oscillation. Used on every modern Class I road diesel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscillation:\u003c\/strong\u003e Alternating left \/ right at prototype rate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrives:\u003c\/strong\u003e 2 × LED or 2 × small incandescent (not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 12 V DC (use PS-2 5302 or TP-2 \/ TP-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale fit:\u003c\/strong\u003e HO — circuit sized for typical HO loco shells\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 1400 (Walthers 800-1400)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Best wired to a DCC sound decoder's auxiliary function output so the ditch lights activate with the horn — exactly as the prototype works.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098456219830,"sku":"800-1400","price":25.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_91221f84-3693-4a56-b8bb-0abd30786de5.png?v=1777603293"},{"product_id":"circuitron-2002-tp-2-track-power-adapter-new","title":"Circuitron 2002 TP-2 Track Power Adapter (Powers Circuits from Track Power)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 2002 TP-2 Track Power Adapter\u003c\/strong\u003e is a small bridge-rectifier \/ regulator module that lets you power any Circuitron lighting or accessory circuit directly from the layout's track power — no separate transformer required.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Accepts AC, DC, or DCC track power on its input and produces a stable DC output suitable for lighting drivers (1031, 1100, 1302, 1400) and small accessory circuits. Simplifies wiring on small layouts and dioramas.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e AC, DC, or DCC track power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Filtered DC for Circuitron lighting \/ flasher drivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Powering 1031, 1100, 1302, 1400, etc. from track power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 2002 (Walthers 800-2002)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098457137334,"sku":"800-2002","price":19.72,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_10263fa4-f178-47cb-b612-a286228a0e29.png?v=1777603297"},{"product_id":"circuitron-2003-tp-3-track-power-adapter-new","title":"Circuitron 2003 TP-3 Track Power Adapter (Higher Capacity)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 2003 TP-3 Track Power Adapter\u003c\/strong\u003e is a higher-capacity bridge-rectifier \/ regulator module — like the TP-2 but with more current headroom for driving multiple lighting circuits from track power.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Accepts AC, DC, or DCC track power on its input and produces a stable DC output. Use when one TP-2 isn't enough — typically when you're running multiple ditch-light \/ strobe \/ EOT circuits off the same source.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e AC, DC, or DCC track power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Filtered DC (higher capacity vs. TP-2 2002)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Powering multiple Circuitron lighting \/ accessory circuits from one source\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 2003 (Walthers 800-2003)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098458153142,"sku":"800-2003","price":25.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_886ba853-e9fb-4740-ac6a-56f6114d4ec8.jpg?v=1777603302"},{"product_id":"circuitron-5122-fl-2hd-heavy-duty-alternating-grade-crossing-flasher-new","title":"Circuitron 5122 FL-2HD Heavy-Duty Alternating Grade-Crossing Flasher (500 mA \/ Side)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5122 FL-2HD Heavy Duty Alternating Grade Crossing Flasher\u003c\/strong\u003e is the heavy-duty version of Circuitron's classic \u003cstrong\u003ealternating grade-crossing flasher\u003c\/strong\u003e — drives left-right crossbuck lights at the prototype flash rate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Designed to be triggered by the output of any Circuitron grade-crossing detection circuit (DT-2 \/ DT-3). Heavy-duty output transistors raise the maximum load to \u003cstrong\u003e500 mA per side\u003c\/strong\u003e — recommended for boulevard crossing signals with multiple lights and for larger-scale signals (S, O, G) that draw more current. Can also be wired for continuous flashing or manual operation with a panel switch.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput current:\u003c\/strong\u003e 500 mA per side (alternating)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriggered by:\u003c\/strong\u003e Circuitron DT-2 (5202), DT-3 (5203), or any logic-level signal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Boulevard \/ multi-light crossing signals and large-scale (O \/ G) crossings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModes:\u003c\/strong\u003e Detector-triggered, continuous, or panel-switch manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5122 (Walthers 800-5122)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e For standard HO \/ N two-bulb crossbucks, the lower-current FL-2 is usually enough. Use FL-2HD only if you've got multiple bulbs per side or higher-current LEDs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098461921462,"sku":"800-5122","price":40.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_e0ad9634-a4c9-4609-8422-7deb2516baa1.jpg?v=1777603307"},{"product_id":"circuitron-5202-dt-2-grade-crossing-detection-unit-w-full-logic","title":"Circuitron 5202 DT-2 Grade Crossing Detection (Full Logic, Bidirectional, 4 Opto-Sensors Included)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5202 DT-2 Grade Crossing Detection Unit w\/Full Logic\u003c\/strong\u003e is Circuitron's flagship \u003cstrong\u003ebidirectional grade-crossing detection circuit\u003c\/strong\u003e — built to duplicate prototype crossing behaviour for any train length from a single locomotive to a 100-car drag.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Uses four \u003cstrong\u003eOpto-Sensors\u003c\/strong\u003e (included) embedded between the ties — two on each side of the crossing — to produce true prototype action: crossing flashers activate as the train approaches, remain active while the train occupies the crossing, and turn off only after the rear of the train clears. Works with AC, DC, or DCC track power. No modifications to rolling stock required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection method:\u003c\/strong\u003e 4 × Opto-Sensors (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirection:\u003c\/strong\u003e Fully bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrain length:\u003c\/strong\u003e Independent — handles 1 to 100+ cars\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack power:\u003c\/strong\u003e AC \/ DC \/ DCC (any system)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Logic level — drives Circuitron flashers (FL-2 \/ FL-2HD), bell (BR-3), external relay (ER-1 \/ ER-2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 10–18 V AC or DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5202 (Walthers 800-5202)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e The most prototype-accurate grade-crossing circuit on the market. Pair with FL-2HD (5122) for flashers and BR-3 (5703) for the recorded bell.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098463101110,"sku":"800-5202","price":69.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_1512c817-15ca-4cf7-a18b-5531d17b704c.png?v=1777603312"},{"product_id":"circuitron-5203-dt-3-grade-crossing-detector-single-direction","title":"Circuitron 5203 DT-3 Single-Direction Grade Crossing Detector (Opto-Sensor Based)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5203 DT-3 Grade Crossing Detector Single Direction\u003c\/strong\u003e is a \u003cstrong\u003esingle-direction grade-crossing detection circuit\u003c\/strong\u003e — Circuitron's value-priced version of the DT-2 for one-way mainline situations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Uses proven OptoElectronic detection (Opto-Sensors mounted between the ties) to produce accurate grade-crossing action for any train length — from a single locomotive to a 100-car train — when the train approaches from one defined direction. No rolling-stock modifications. Works with AC, DC, or DCC; any scale.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection method:\u003c\/strong\u003e OptoElectronic (Opto-Sensors required, sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirection:\u003c\/strong\u003e Single direction (use DT-2 for bidirectional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrain length:\u003c\/strong\u003e Independent — 1 to 100+ cars\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack power:\u003c\/strong\u003e AC \/ DC \/ DCC (any system)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 10–18 V AC or DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Controls Circuitron flashers, BR-3 bell, external relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5203 (Walthers 800-5203)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Step up to the DT-2 (5202) if your crossing sees traffic in both directions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098464215222,"sku":"800-5203","price":44.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_3e36a35d-5c41-461f-b9c8-89b2da34123a.jpg?v=1777603317"},{"product_id":"circuitron-5204-dt-4-rolling-stock-detector","title":"Circuitron 5204 DT-4 Rolling Stock Detector (Photocell-Based)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5204 DT-4 Rolling Stock Detector\u003c\/strong\u003e is a \u003cstrong\u003esimple photocell-based detection circuit\u003c\/strong\u003e — triggers an output whenever a piece of rolling stock passes over (or sits on) the sensor location.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Uses an Opto-Sensor \/ photocell between the ties to detect anything that blocks the ambient light — locomotives, cars, even an out-of-track derailment. Outputs a logic-level signal that can drive Circuitron flashers, the BR-3 bell, relays, or trigger automation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection method:\u003c\/strong\u003e Photocell \/ Opto-Sensor (between-ties)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Logic-level — drives flashers, bells, relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Industrial-spot detection, hidden-track occupancy, simple yard-arrival triggers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5204 (Walthers 800-5204)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Cheaper than the DT-2 \/ DT-3 for situations where you just need to know 'something is there' — but doesn't include the direction \/ train-length logic of a real grade-crossing controller.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098465198262,"sku":"800-5204","price":70.68,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_bd2ebd2c-64e9-405f-91d5-87c751060497.jpg?v=1777603322"},{"product_id":"circuitron-5302-ps-2-18v-ac-to-12v-dc-1-amp-regulated-power-supply","title":"Circuitron 5302 PS-2 Regulated Power Supply (18V AC → 12V DC, 1A)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5302 PS-2 18V AC to 12V DC 1 Amp Regulated Power Supply\u003c\/strong\u003e is a regulated bench-style power supply module that takes a standard 18 V AC layout-accessory transformer output and produces a clean 12 V DC, 1 A supply.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Provides clean regulated 12 V DC for all Circuitron detection, automation, and lighting circuits. Use one PS-2 to feed several boards from a single AC transformer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e 18 V AC (standard layout accessory transformer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 12 V DC, regulated, 1 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Powering AR-1 \/ AR-2 \/ DT-2 \/ BD-2 \/ ER-1 \/ ER-2 \/ 5820 TL-1 etc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5302 (Walthers 800-5302)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Use one PS-2 per group of nearby circuits rather than running long DC wires from a single supply.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098466181302,"sku":"800-5302","price":25.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_2431cbc2-65d1-4777-867c-5710f3000f74.jpg?v=1777603326"},{"product_id":"circuitron-5400-ar-1-automatic-reverse-circuit","title":"Circuitron 5400 AR-1 Automatic Reverse Circuit (5A Relay, 12V DC, Opto-Sensor Triggered)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5400 AR-1 Automatic Reverse Circuit\u003c\/strong\u003e is an \u003cstrong\u003eautomatic train reversing circuit\u003c\/strong\u003e — flips the direction of DC track power whenever the Opto-Sensor is covered (or a pushbutton is pressed) for point-to-point automation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Changes track-power direction when the Opto-Sensor (sold separately) is covered by an approaching train. Perfect for test tracks, window displays, point-to-point mine trains, or automatic reverse-loop operation on small DC layouts. Pushbuttons may also be connected for manual reversing. 5 A capacity relay handles big locomotives.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrigger:\u003c\/strong\u003e Opto-Sensor (covered) or external pushbutton\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay rating:\u003c\/strong\u003e 5 A capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 12 V DC input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e 2 × 3 inch PCB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e DC test track, window display, point-to-point automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5400 (Walthers 800-5400)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e For DCC reverse loops, you want a true DCC autoreverser (e.g. Digitrax AR1 \/ NCE Auto-SW). The AR-1 is a DC track-power direction reverser, not a phase-flip module.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098466934966,"sku":"800-5400","price":63.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_159d463a-b749-4e23-a739-fe818dc1c155.jpg?v=1777603331"},{"product_id":"circuitron-5401-ar-2-automatic-reverse-circuit-with-adjustable-delay","title":"Circuitron 5401 AR-2 Automatic Reverse Circuit with Adjustable Delay","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5401 AR-2 Automatic Reverse Circuit with Adjustable Delay\u003c\/strong\u003e is the \u003cstrong\u003eAR-1 with an added adjustable delay timer\u003c\/strong\u003e — train pauses at the end of each run before reversing, just like the prototype pulling up to a stop.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Same auto-reverse function as the AR-1 (5400) but adds a user-adjustable delay between triggering and direction change. Adjustable from a few seconds to ~30+ seconds — long enough for a passenger train 'station stop' or a mine-load swap.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrigger:\u003c\/strong\u003e Opto-Sensor (covered) or external pushbutton\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelay:\u003c\/strong\u003e User adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 12 V DC input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e DC point-to-point with realistic 'station stop' pause\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5401 (Walthers 800-5401)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Use a long delay to simulate a freight-yard switching pause, or a short delay for continuous trolley-line back-and-forth.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098468409526,"sku":"800-5401","price":76.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_a31224f3-8a53-45a3-9391-343cb5efa858.gif?v=1777603336"},{"product_id":"circuitron-5502-bd-2-current-sensing-block-occupancy-detector","title":"Circuitron 5502 BD-2 Current-Sensing Block Occupancy Detector (2-Color Signal Output)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5502 BD-2 Current Sensing Block Occupancy Detector\u003c\/strong\u003e is a \u003cstrong\u003ecurrent-sensing block-occupancy detector\u003c\/strong\u003e — provides a Red \/ Green signal output for a single isolated block of track.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Detects the current drawn by a locomotive or any lighted piece of rolling stock in an isolated block. Drives Red \/ Green LEDs (for 2-aspect signals) directly. Works with common-rail wired AC or DC track power and with most Command Control (DCC) systems. 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Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098469523638,"sku":"800-5502","price":27.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_7d6721e7-ab18-4689-9bc0-4b7937b902f3.jpg?v=1777603342"},{"product_id":"circuitron-5521-bd-1hd-block-occupancy-detector","title":"Circuitron 5521 BD-1HD Heavy-Duty Block Occupancy Detector","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5521 BD-1HD Block Occupancy Detector\u003c\/strong\u003e is a \u003cstrong\u003eheavy-duty current-sensing single-output block detector\u003c\/strong\u003e — like the BD-1 but with higher current capacity for layouts with multiple sound-equipped locomotives in a block.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Provides one logic-level occupancy output for an isolated block. Higher current rating than the standard BD-1 — handles the larger combined current of multiple modern sound-equipped diesels without saturating.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection method:\u003c\/strong\u003e Current sensing (heavy-duty)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Single logic-level occupancy signal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Blocks that may hold multiple sound-equipped diesels simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5521 (Walthers 800-5521)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098470637750,"sku":"800-5521","price":48.14,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_2c911b90-4dc5-46cd-bc35-2cfa1a0589bb.png?v=1777603346"},{"product_id":"circuitron-5522-bd-2hd-heavy-duty-block-detector","title":"Circuitron 5522 BD-2HD Heavy-Duty Block Occupancy Detector (2-Color Signal Output)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5522 BD-2HD Heavy Duty Block Detector\u003c\/strong\u003e is the \u003cstrong\u003eheavy-duty version of the BD-2\u003c\/strong\u003e — current-sensing block detector with Red \/ Green signal-driver outputs for higher-current blocks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Same Red \/ Green 2-aspect signal-driving capability as the BD-2, but with beefier output transistors for situations where the block may hold multiple sound-equipped locos or many lighted passenger cars. 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The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098472046774,"sku":"800-5522","price":41.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_4f857944-f52f-47d8-b0a4-e996ac6d04cf.jpg?v=1777603351"},{"product_id":"circuitron-5604-er-1-external-relay-with-spdt-relay","title":"Circuitron 5604 ER-1 External Relay Module (SPDT, 2A, 12V Coil)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5604 ER-1 External Relay with SPDT Relay\u003c\/strong\u003e is a small \u003cstrong\u003eSPDT (single-pole double-throw) relay driver module\u003c\/strong\u003e that interfaces directly with any Circuitron detection circuit output — for switching extra AC or DC loads (turnout machines, layout lighting, fans, etc.).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Provides a 2 A SPDT relay with all driver circuitry built in — can be connected straight to the output of any Circuitron Block Occupancy Detector, Grade Crossing Detector, or auto-reverser. Use the relay contacts for automatic train control (power-off on block ahead), layout-lighting automation, or to switch heavier loads than the detection circuit can drive directly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay type:\u003c\/strong\u003e SPDT (single-pole double-throw)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact rating:\u003c\/strong\u003e 2 A (AC or DC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil:\u003c\/strong\u003e 12 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply voltage:\u003c\/strong\u003e 11–14 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrives from:\u003c\/strong\u003e Any Circuitron detection-circuit output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5604 (Walthers 800-5604)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098473455798,"sku":"800-5604","price":21.68,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_91f1dca5-ed92-4344-8b72-be95cf770b97.jpg?v=1777603355"},{"product_id":"circuitron-5606-tc-2-turnout-alternator-with-twin-coil","title":"Circuitron 5606 TC-2 Twin-Coil Turnout Alternator (Capacitor Discharge)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5606 TC-2 Turnout Alternator with Twin Coil\u003c\/strong\u003e is a \u003cstrong\u003ecapacitor-discharge twin-coil turnout driver\u003c\/strong\u003e — gives Atlas, Peco PL-10, Kemtron, and other twin-coil snap-action switch machines a reliable, repeatable throw without burning out the coils.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Charges a capacitor between throws and discharges it through the selected coil on command — produces full throw current for a fraction of a second, then disconnects. Eliminates the coil burnout that happens when a momentary switch sticks 'on'. Built-in alternating logic toggles between left \/ right with each press.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Twin-coil switch machines (Atlas, Peco PL-10, Kemtron, etc.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive:\u003c\/strong\u003e Capacitor discharge — coil-safe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic:\u003c\/strong\u003e Built-in alternating (single pushbutton toggles direction)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5606 (Walthers 800-5606)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e For slow-motion stall-motor machines like the Tortoise \/ SMAIL, you don't need this — they run on continuous low-current DC and are inherently coil-safe.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098474733750,"sku":"800-5606","price":37.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_18831b94-71b4-4060-9e4a-0bbcfaefe2a9.png?v=1777603361"},{"product_id":"circuitron-5624-er-2-external-relay-with-dpdt-relay","title":"Circuitron 5624 ER-2 External Relay Module (DPDT, 2A, 12V Coil)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5624 ER-2 External Relay with DPDT Relay\u003c\/strong\u003e is the \u003cstrong\u003eDPDT (double-pole double-throw) version of the ER-1\u003c\/strong\u003e — two independent switched circuits from one detection-circuit input.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Same driver circuitry as the ER-1 (5604) but with a DPDT relay — handy for any situation where one trigger needs to switch two separate loads simultaneously, or for direction-reversal of a DC supply (one pole per rail).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay type:\u003c\/strong\u003e DPDT (double-pole double-throw)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact rating:\u003c\/strong\u003e 2 A (AC or DC) per pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil:\u003c\/strong\u003e 12 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply voltage:\u003c\/strong\u003e 11–14 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Two-circuit switching, DC reversing, dual-light layouts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5624 (Walthers 800-5624)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098475847862,"sku":"800-5624","price":20.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_3b17e5c5-6414-496c-afd3-ee0123aa5884.png?v=1777603366"},{"product_id":"circuitron-5703-br-3-digitally-recorded-grade-crossing-bell-with-speaker","title":"Circuitron 5703 BR-3 Digitally Recorded Grade-Crossing Bell with Speaker","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5703 BR-3 Digitally Recorded Grade Crossing Bell with Speaker\u003c\/strong\u003e is a complete \u003cstrong\u003edigitally recorded grade-crossing bell sound module\u003c\/strong\u003e — speaker included — that adds prototype-accurate ringing-bell audio to any crossing scene.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Plays back a digital recording of a real prototype crossing bell, triggered by any Circuitron grade-crossing detector (DT-2 \/ DT-3) or any other logic-level source. Speaker included.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound:\u003c\/strong\u003e Digitally recorded prototype crossing bell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriggered by:\u003c\/strong\u003e DT-2 \/ DT-3 detection circuits or any logic-level signal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 12 V DC (from PS-2 5302 or any 12 V DC supply)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5703 (Walthers 800-5703)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Mount the speaker under the layout near the crossing, with a small port hole through the scenery for the most prototype-sounding result.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098476961974,"sku":"800-5703","price":47.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_3b5762a0-f3c5-47d8-a4fd-fa6eac64d069.jpg?v=1777603374"},{"product_id":"circuitron-5820-tl-1-traffic-light-controller","title":"Circuitron 5820 TL-1 Traffic Light Controller (4-Way Intersection Sequencer)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5820 TL-1 Traffic Light Controller\u003c\/strong\u003e is a \u003cstrong\u003e4-way intersection traffic-light sequencer\u003c\/strong\u003e — drives all the LEDs for a complete prototype-correct stoplight intersection, with realistic timing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Outputs the standard 4-way prototype sequence (green \/ yellow \/ red, with cross-street complement) and drives LEDs for all four corners of a typical intersection. User-adjustable timing for the green \/ yellow \/ red phases.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrives:\u003c\/strong\u003e Up to 12 LEDs (4 × red, 4 × yellow, 4 × green) for a 4-way intersection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence:\u003c\/strong\u003e Prototype green → yellow → red with cross-street complement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiming:\u003c\/strong\u003e User adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 12 V DC (use PS-2 5302)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5820 (Walthers 800-5820)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e LEDs not included — use any standard 3 mm or 5 mm LEDs with appropriate series resistors. Walthers, Tomar, and Miniatronics all sell scale traffic-light heads.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098478010550,"sku":"800-5820","price":57.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_ce63d5a6-76e6-4763-9af9-9af51757c043.jpg?v=1777603378"},{"product_id":"circuitron-6101-external-cable-actuator-for-the-remote-tortoise-mount-1pc","title":"Circuitron 6101 External Cable \u0026 Actuator for Remote Tortoise Mount (1pc)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6101 External Cable \u0026amp; Actuator For The Remote Tortoise Mount\u003c\/strong\u003e is the \u003cstrong\u003eremote-mount actuator kit\u003c\/strong\u003e — a flexible cable + actuator assembly that lets you install a Tortoise switch machine away from the turnout (e.g. to clear a benchwork brace or other obstruction).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e When the Tortoise can't go directly under the turnout, this kit lets you mount it nearby and run a flexible push-pull cable to the throwbar. Includes the cable, throwbar actuator, and mounting hardware for one Tortoise installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e One Tortoise installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Flexible cable + throwbar actuator + mounting hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhen to use:\u003c\/strong\u003e Tortoise can't fit directly under the turnout (benchwork bracing, duck-under, etc.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6101 (Walthers 800-6101)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Keep the cable as straight as possible — sharp bends increase friction and slow the throw.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098479419574,"sku":"800-6101","price":11.88,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_a70595ac-201a-4e59-bb9d-59f196868545.png?v=1777603384"},{"product_id":"circuitron-6190-tortoise-smail-drilling-template","title":"Circuitron 6190 Tortoise \u0026 SMAIL Drilling Template (Workshop Tool)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6190 Tortoise \u0026amp; SMAIL Drilling Template\u003c\/strong\u003e is a precision \u003cstrong\u003edrilling template\u003c\/strong\u003e for mounting Tortoise or SMAIL switch machines — eliminates the guesswork of locating the throwbar slot and the four mounting screws.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Lay the template against the underside of the layout, mark through the throwbar slot and screw holes, and drill. Same hole pattern works for Tortoise and SMAIL (same mounting footprint). Reusable for any number of installs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Tortoise (6000) and SMAIL (6200) switch machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Marks throwbar slot + 4 mounting-screw locations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable:\u003c\/strong\u003e Use across an entire layout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6190 (Walthers 800-6190)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e One template will pay for itself in mis-drilled benchwork after about three turnouts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098480500918,"sku":"800-6190","price":12.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_ea636121-b308-4561-8185-bd0b7a230cca.png?v=1777603388"},{"product_id":"circuitron-6200-smail-slow-motion-switch-machine-w-dcc","title":"Circuitron 6200 SMAIL Slow-Motion Switch Machine with Integrated DCC Decoder (Single)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6200 SMAIL Slow Motion Switch Machine w\/ DCC\u003c\/strong\u003e is the \u003cstrong\u003eSMAIL — Slow-Motion Actuator with Integrated Logic\u003c\/strong\u003e. A Tortoise-style stall-motor switch machine with a built-in DCC stationary decoder (NCE Switch-It™ technology) — just two wires to the DCC bus and you're done.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Same physical size and mounting as the iconic Tortoise, so you get the silky slow-motion throw and rock-solid point pressure modellers love — but with a built-in DCC accessory decoder. Two-wire connection to the DCC bus, no separate power supply needed. Works with any DCC system that supports accessory address control (NMRA or Digitrax signal modes). Can also be controlled by panel switches or detection circuits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Slow-motion stall-motor switch machine + integrated DCC decoder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Same as Tortoise (use template 6190)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCC:\u003c\/strong\u003e 2-wire to DCC bus, no separate power supply needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoder:\u003c\/strong\u003e NCE Switch-It™ technology (enhanced)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAux switches:\u003c\/strong\u003e Internal SPDT contacts, 2 A AC \/ DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso controllable by:\u003c\/strong\u003e Panel switches, detection circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6200 (Walthers 800-6200)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e For non-DCC layouts or where you want to keep the decoder separate, use the plain Tortoise + a Switch-It \/ SMAIL Lite. Save 12-pack money with 6212 if you need 12 or more.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098481615030,"sku":"800-6200","price":51.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_ee2f438f-d9ae-4ad0-a246-31e2772badab.jpg?v=1777603392"},{"product_id":"circuitron-6212-smail-switch-machine-dcc-decoder-equipped-12-pcs","title":"Circuitron 6212 SMAIL Slow-Motion Switch Machine 12-Pack (DCC Decoder Equipped)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6212 SMAIL Switch Machine DCC Decoder Equipped 12 Pcs\u003c\/strong\u003e is a \u003cstrong\u003e12-pack of SMAIL slow-motion switch machines\u003c\/strong\u003e — same product as the 6200 single but at the bulk-pack price for medium-to-large layouts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Twelve SMAIL slow-motion stall-motor switch machines, each with a built-in DCC accessory decoder (NCE Switch-It™ technology). Two-wire connection to the DCC bus, no separate power supply needed. Same mounting footprint as the iconic Tortoise.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 12 SMAIL switch machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Slow-motion stall-motor + integrated DCC accessory decoder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Same as Tortoise (use template 6190)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCC:\u003c\/strong\u003e 2-wire to DCC bus, no separate power supply needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAux switches:\u003c\/strong\u003e Internal SPDT contacts, 2 A AC \/ DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6212 (Walthers 800-6212)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Significant per-unit savings vs. buying twelve individual 6200 units. Worth it once you've committed to the SMAIL standard across the layout.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098482729142,"sku":"800-6212","price":579.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_45ef21a5-b5d2-40f4-8157-ac3b9611be52.jpg?v=1777603397"},{"product_id":"circuitron-6500-tortoise-replacement-parts-spring-wire-screws-fulcrum-6-sets","title":"Circuitron 6500 Tortoise Replacement Parts — Spring Wires + Screws + Fulcrums (6 sets)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6500 Tortoise Replacement Parts Spring Wire\/Screws\/Fulcrum - 6 sets\u003c\/strong\u003e is a \u003cstrong\u003ecomplete Tortoise \/ SMAIL parts pack\u003c\/strong\u003e — 6 sets of spring wires, mounting screws, and fulcrums in one box.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e All the small bits you need to install, repair, or convert six Tortoise \/ SMAIL switch machines. Spring wires take the bumps and slack out of the throwbar linkage; fulcrums set the lever ratio; screws mount the machine. Handy to have on the workbench whenever you're installing a batch of turnouts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 6 sets (sufficient for 6 Tortoise \/ SMAIL installs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEach set:\u003c\/strong\u003e Spring wire + mounting screws + fulcrum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Tortoise (6000) and SMAIL (6200 \/ 6212)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6500 (Walthers 800-6500)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098483941558,"sku":"800-6500","price":11.88,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_c5611a2a-7a50-4f8a-ba6f-d04c42a2e757.jpg?v=1777603402"},{"product_id":"circuitron-800-6000-tortoise-slow-motion-turnout-switch-machine-1pc-new","title":"Circuitron 6000 Tortoise Slow-Motion Switch Machine (Single) — The Industry Standard","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6000 Tortoise Slow-Motion Switch Machine\u003c\/strong\u003e is the \u003cstrong\u003eindustry-standard under-table stall-motor switch machine\u003c\/strong\u003e — the gold standard for prototype-realistic turnout control since the 1980s.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Drives the turnout points slowly and smoothly (~3 seconds for a full throw) and then \u003cstrong\u003estalls\u003c\/strong\u003e at the end of travel, applying gentle constant pressure to keep the points firmly held — exactly like a prototype switch machine. No coil burnout, no buzz, no snap action. The 2-wire connection takes reversible DC — flip the polarity to flip the points.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Slow-motion stall-motor switch machine (single)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrow time:\u003c\/strong\u003e ~3 seconds full travel (prototype-like)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive:\u003c\/strong\u003e Precision gear drive — silent, smooth, repeatable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Under-table — use drilling template (6190) for quick installs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 9–16 V DC (reverse polarity to throw the other way)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary contacts:\u003c\/strong\u003e Two sets of SPDT contacts (for frog polarity, panel LEDs, signal logic, etc.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e 2-wire connection possible (just motor + reverse polarity)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Any standard turnout — Atlas, Peco, Walthers, Micro Engineering, Shinohara, Walthers Code 83 \/ 70, hand-laid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6000 (Walthers 800-6000)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Pair with a ZipZ (6601 \/ 6606) for solderless wiring and a drilling template (6190) for clean installs. For DCC accessory-decoder control without an external Switch-It, step up to the SMAIL (6200) — same machine with a built-in DCC decoder. The 6-pack (6006) and 12-pack (6012) offer significant savings if you have more than a few turnouts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098513203382,"sku":"800-6000","price":27.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_fe72406a-6dd3-4fd5-850a-dc823821695f.jpg?v=1777605514"},{"product_id":"circuitron-800-6006-tortoise-slow-motion-turnout-switch-machine-6pcs-new","title":"Circuitron 6006 Tortoise Slow-Motion Switch Machine 6-Pack","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6006 Tortoise Slow-Motion Switch Machine 6-Pack\u003c\/strong\u003e is a \u003cstrong\u003e6-pack of the iconic Tortoise switch machine\u003c\/strong\u003e — same product as the single 6000 but at a meaningful per-unit discount.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Six Tortoise stall-motor switch machines — the industry-standard slow-motion under-table machine. Each drives one turnout with a ~3-second smooth throw and then stalls to hold the points under constant gentle pressure (just like the prototype).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 6 Tortoise switch machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Slow-motion stall-motor (under-table)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrow time:\u003c\/strong\u003e ~3 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary contacts:\u003c\/strong\u003e 2 × SPDT per machine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 9–16 V DC (reversible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Any standard turnout (Atlas, Peco, Walthers, ME, hand-laid)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6006 (Walthers 800-6006)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Step up to the 12-pack (6012) for the best per-unit price on medium-to-large layouts. Add a 12-pack of ZipZ (6606) for solderless installs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098513301686,"sku":"800-6006","price":169.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_9e179ed6-46ac-40cd-ada2-3a70c301c0f7.jpg?v=1777605520"},{"product_id":"circuitron-800-6012-tortoise-slow-motion-turnout-switch-machine-12pcs-new","title":"Circuitron 6012 Tortoise Slow-Motion Switch Machine 12-Pack (Best Layout Value)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6012 Tortoise Slow-Motion Switch Machine 12-Pack\u003c\/strong\u003e is the \u003cstrong\u003ebest-value bulk pack of Tortoise machines\u003c\/strong\u003e — twelve of the industry-standard stall-motor switch machine for medium-to-large layouts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Twelve Tortoise machines — each gives prototype-realistic slow throw (~3 seconds) and constant point pressure when stalled. Lowest per-unit price in the Tortoise lineup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 12 Tortoise switch machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Slow-motion stall-motor (under-table)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrow time:\u003c\/strong\u003e ~3 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary contacts:\u003c\/strong\u003e 2 × SPDT per machine (24 SPDT total)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 9–16 V DC (reversible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Any standard turnout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6012 (Walthers 800-6012)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Pair with a 12-pack of ZipZ (6606) and the drilling template (6190) for a clean batch install across a yard or main-line block.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098513399990,"sku":"800-6012","price":309.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_97b677ac-949b-4e45-8c22-c06f18328bc5.jpg?v=1777605525"},{"product_id":"circuitron-800-5605-tc-1-automatic-twin-coil-turnout-control","title":"Circuitron 5605 TC-1 Automatic Twin-Coil Turnout Control (Capacitor Discharge)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 5605 TC-1 Automatic Twin Coil Turnout Control\u003c\/strong\u003e is a \u003cstrong\u003esingle-turnout capacitor-discharge driver\u003c\/strong\u003e for twin-coil snap-action switch machines (Atlas, Peco PL-10, Kemtron, etc.) — coil-safe and reliable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Charges a capacitor between throws and discharges it through the selected coil on command. Produces full throw current for a fraction of a second, then disconnects — eliminates the coil burnout that happens when a momentary switch sticks 'on'. Drives one twin-coil machine. Less common variation of the TC-2 (5606) two-machine alternator.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Twin-coil switch machines (Atlas, Peco PL-10, Kemtron, etc.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive:\u003c\/strong\u003e Capacitor discharge — coil-safe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e Single turnout (use TC-2 5606 for two-turnout alternating)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 5605 (Walthers 800-5605)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Same coil-safety idea as the TC-2 (5606) but simpler — drives one twin-coil machine with a manual pushbutton. For slow-motion stall-motor machines like Tortoise \/ SMAIL, you don't need this — they're inherently coil-safe.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098514284726,"sku":"800-5605","price":44.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_80adbe9b-f6c5-47d0-ac77-5a719729fd71.jpg?v=1777605581"},{"product_id":"circuitron-800-6200tb-smail-slow-motion-switch-machine-dcc-screw-terminals","title":"Circuitron 6200TB SMAIL Slow-Motion Switch Machine — Screw Terminals (Single, DCC)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6200TB SMAIL Slow-Motion Switch Machine with Screw Terminals\u003c\/strong\u003e is the \u003cstrong\u003eterminal-block (TB) version of the standard SMAIL 6200\u003c\/strong\u003e — same Tortoise-form-factor slow-motion switch machine with built-in DCC decoder, but now with screw-terminal wiring instead of a soldered PCB edge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e All the goodness of the SMAIL — silky slow-motion throw, NCE Switch-It™ DCC decoder, two-wire DCC bus connection — but with \u003cstrong\u003escrew terminals\u003c\/strong\u003e built onto the board instead of solder pads or an edge connector. No ZipZ required; just strip and screw your layout wiring straight to the machine.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Slow-motion stall-motor + integrated DCC decoder + screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Same as Tortoise (use template 6190)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCC:\u003c\/strong\u003e 2-wire to DCC bus, no separate power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoder:\u003c\/strong\u003e NCE Switch-It™ technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAux switches:\u003c\/strong\u003e Internal SPDT contacts, 2 A AC \/ DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVs. 6200 (non-TB):\u003c\/strong\u003e TB version has screw terminals — no ZipZ needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6200TB (Walthers 800-6200TB)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Best choice if you don't want to mess with ZipZ connectors or solder pads. Step up to the 12-pack (6212TB) if you need a lot of them.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098514350262,"sku":"800-6200TB","price":63.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_d7de805b-d088-477f-93e9-340f6a3b5874.jpg?v=1777605586"},{"product_id":"circuitron-800-6212tb-smail-slow-motion-switch-machine-dcc-decoder-screw-12pcs","title":"Circuitron 6212TB SMAIL 12-Pack — Screw Terminals + DCC Decoder (Best SMAIL Value)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6212TB SMAIL 12-Pack with Screw Terminals\u003c\/strong\u003e is the \u003cstrong\u003e12-pack bulk version of the SMAIL-TB\u003c\/strong\u003e — twelve slow-motion stall-motor switch machines, each with a built-in DCC accessory decoder and screw-terminal wiring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Twelve SMAIL machines, each with the iconic Tortoise slow-motion throw, the NCE Switch-It™ DCC decoder, and screw terminals for solderless \/ ZipZ-less wiring. Best value for medium-to-large DCC layouts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 12 SMAIL-TB switch machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Slow-motion stall-motor + DCC decoder + screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Same as Tortoise (use template 6190)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCC:\u003c\/strong\u003e 2-wire to DCC bus, no separate power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAux switches:\u003c\/strong\u003e Internal SPDT contacts, 2 A AC \/ DC per machine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6212TB (Walthers 800-6212TB)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e The TB (screw-terminal) variant skips the need for ZipZ connectors — fastest install path for a fully DCC-decoded layout. Pair with the drilling template (6190) for a clean batch install.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098514415798,"sku":"800-6212TB","price":684.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_25541672-58a2-4e1e-9e19-eef5adb39147.jpg?v=1777605590"},{"product_id":"circuitron-6501-tortoise-switch-machine-parts-spring-wires-12pcs","title":"Circuitron 6501 Tortoise Switch Machine Spring Wires (12 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6501 Tortoise Switch Machine Parts Spring Wires - 12pcs\u003c\/strong\u003e is a \u003cstrong\u003e12-pack of replacement Tortoise \/ SMAIL spring wires\u003c\/strong\u003e — the flexible piano-wire linkage between the switch machine and the turnout's throwbar.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Twelve spring wires for installing or repairing Tortoise \/ SMAIL switch machines. The spring wire absorbs small differences in machine-to-throwbar distance and keeps gentle pressure on the points without binding.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 12 spring wires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Tortoise (6000) and SMAIL (6200 \/ 6212)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6501 (Walthers 800-6501)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Most-replaced Tortoise part — keep a pack handy. Bent wires can be straightened, but kinks should be cut off or replaced.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098514481334,"sku":"800-6501","price":4.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_cd50c131-4635-4e7b-a858-e31dab33423c.jpg?v=1777605595"},{"product_id":"circuitron-6502-tortoise-switch-machine-parts-screws-12pcs","title":"Circuitron 6502 Tortoise Switch Machine Mounting Screws (12 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6502 Tortoise Switch Machine Parts Screws - 12pcs\u003c\/strong\u003e is a \u003cstrong\u003e12-pack of Tortoise \/ SMAIL mounting screws\u003c\/strong\u003e — the small wood screws that fasten the machine body to the underside of the layout.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Twelve replacement \/ spare mounting screws for Tortoise and SMAIL installs. Each Tortoise needs four mounting screws — so a 12-pack covers three machines if you've lost everything that came in the box.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 12 screws\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Tortoise (6000) and SMAIL (6200 \/ 6212) — 4 screws per machine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6502 (Walthers 800-6502)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098514546870,"sku":"800-6502","price":3.81,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_0d8ae5bd-70c9-4ae4-8bc9-cb4fc27677d4.jpg?v=1777605600"},{"product_id":"circuitron-6504-tortoise-switch-machine-parts-fulcrums-12pcs","title":"Circuitron 6504 Tortoise Switch Machine Fulcrums (12 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6504 Tortoise Switch Machine Parts Fulcrums - 12pcs\u003c\/strong\u003e is a \u003cstrong\u003e12-pack of Tortoise \/ SMAIL fulcrums\u003c\/strong\u003e — the small plastic pivot that sits between the lever arm and the spring wire, setting the throw mechanical advantage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Twelve replacement fulcrums for Tortoise and SMAIL switch machines. The fulcrum is the pivoting plastic block at the top of the machine that converts the lever arm's motion into the spring-wire push that throws the points.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 12 fulcrums\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Tortoise (6000) and SMAIL (6200 \/ 6212)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6504 (Walthers 800-6504)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098514612406,"sku":"800-6504","price":14.82,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_fdbbbb7b-d7aa-4ffc-93fb-0dc1ca30ffa2.jpg?v=1777605605"},{"product_id":"circuitron-6601-zipz-solderless-connection-system-1pc","title":"Circuitron 6601 ZipZ Solderless Connection System for Tortoise \/ SMAIL (1pc)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6601 ZipZ Solderless Connection System - 1pc\u003c\/strong\u003e is the \u003cstrong\u003eZipZ — solderless edge-connector + terminal block\u003c\/strong\u003e for Tortoise \/ SMAIL switch machines. No more soldering wires onto the machine PCB.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Single-piece package. The ZipZ™ edge connector slides onto the Tortoise™ or SMAIL™ circuit board (works with both current and older tan PCBs); your layout wiring screws into the matching terminal block. Re-wire or remove a Tortoise without ever touching a soldering iron. Available as this single-piece pack and as a cost-saving 6-pack (6605 \/ ZipZKit).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Tortoise (current PCBs + older tan PCBs) and SMAIL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Slide-on edge connector + screw-terminal block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering:\u003c\/strong\u003e Not required at the switch machine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6601 (Walthers 800-6601)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Once you've used a ZipZ on one Tortoise, you'll want them on every one — they make troubleshooting and future rewiring trivial.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. Famous for the industry-standard \u003cstrong\u003eTortoise\u003c\/strong\u003e slow-motion under-table switch machine and its surface-mount cousin the \u003cstrong\u003eSMAIL\u003c\/strong\u003e. The full range covers detection (block detectors, Opto-Sensor grade-crossing logic), automation (auto-reversers, external relays, twin-coil alternators), signal \/ lighting electronics (alternating flashers, ditch-light oscillators, strobe drivers), power supplies, and a complete set of Tortoise \/ SMAIL replacement parts plus the solderless \u003cstrong\u003eZipZ\u003c\/strong\u003e connection system. Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098514677942,"sku":"800-6601","price":8.94,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_fdf31923-6ab9-430e-abca-59de124ea3f4.jpg?v=1777605610"},{"product_id":"circuitron-6606-zipz-solderless-screw-terminals-for-tortoise-smail-6-pkg","title":"Circuitron 6606 ZipZ Solderless Screw Terminals for Tortoise \u0026 SMAIL (6-Pack)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 6606 ZipZ Solderless Screw Terminals for Tortoise \u0026amp; SMAIL (6\/pkg)\u003c\/strong\u003e is the \u003cstrong\u003e6-pack cost-saving version of the ZipZ solderless connection system\u003c\/strong\u003e — six edge-connector + terminal-block assemblies for Tortoise \/ SMAIL switch machines, fully assembled and ready to use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it does:\u003c\/strong\u003e Each ZipZ™ slides directly onto the Tortoise™ or SMAIL™ circuit board (works with both current and older tan PCBs); your layout wiring screws into the matching terminal block. No soldering at the switch machine. The 6-pack saves money vs. buying six individual 6601 units.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 6 fully assembled ZipZ units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e Tortoise (current + tan PCBs) and SMAIL switch machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Slide-on edge connector + screw-terminal block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering:\u003c\/strong\u003e Not required at the switch machine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVs. 6601 single:\u003c\/strong\u003e Lower per-unit cost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVs. 6616 ZipZKit:\u003c\/strong\u003e 6606 is pre-assembled, 6616 is a soldering-required kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 6606 (Walthers 800-6606)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Best value if you've committed to Tortoise \/ SMAIL across the layout and want quick removable wiring on every machine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout Circuitron:\u003c\/strong\u003e A USA-made model-railroad electronics specialist (Maryville, Illinois) founded in the 1970s. 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Most circuits work with AC, DC, or DCC track power unless specifically noted otherwise.\u003c\/p\u003e\u003cp\u003eIn stock at Oakville Model Trains Depot.\u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":45098515267766,"sku":"800-7411-12","price":23.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_d46ea762-97b8-4870-b936-d3dd585c79be.png?v=1777605644"},{"product_id":"circuitron-7414-02-medium-output-1-4mm-lamps-2pcs","title":"Circuitron 7414-02 Medium-Output 1.4mm Lamps — Brighter Grain of Wheat (2-Pack)","description":"\u003cp\u003eThe \u003cstrong\u003eCircuitron 7414-02 Medium-Output 1.4mm Lamps\u003c\/strong\u003e is a \u003cstrong\u003e2-pack\u003c\/strong\u003e of \u003cstrong\u003e1.4 mm 'grain-of-wheat' incandescent bulbs at medium output\u003c\/strong\u003e with gold-plated leads — same physical size as the 7411 but noticeably brighter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDesigned for:\u003c\/strong\u003e Locomotive headlights where you want extra punch, larger structure interiors, and any scene where the standard 7411 isn't bright enough. \u003cstrong\u003eNote:\u003c\/strong\u003e brighter output trades for shorter bulb life at the same supply voltage — keep voltage at the rated maximum or below.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulb size:\u003c\/strong\u003e 1.4 mm bulb (medium-output grain-of-wheat)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 1.5 V (max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent:\u003c\/strong\u003e Medium-output current — brighter than 7411\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeads:\u003c\/strong\u003e gold-plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuitron SKU:\u003c\/strong\u003e 7414-02 (Walthers 800-7414-02)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Run from a 1.5 V DC source (Circuitron TP-2 \/ TP-3, PS-2 with appropriate dropping resistor, or a battery). 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