{"product_id":"kadee-308-under-the-track-hidden-delayed-action-magnetic-uncoupler-ho-o-on3","title":"Kadee 308 On3 Scale Under-the-Track Hidden Delayed-Action Magnetic Uncoupler - HO, O","description":"\u003cp\u003eThe Kadee #308 is a magnetic uncoupler installed hidden under the track \/ between the ties. When a Kadee coupler with a steel trip pin passes over the magnet, the magnet pulls the trip pins outward, opening the knuckles — instant hands-free uncoupling.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelayed-action:\u003c\/strong\u003e after the trip pin passes over, the knuckle stays open until the next car couples or the train moves the car off the magnet — push cuts of cars across the magnet and uncouple them anywhere downstream.\u003c\/li\u003e\n\u003cli\u003ePermanent magnet — no electrical wiring required\u003c\/li\u003e\n\u003cli\u003eWorks with all Kadee couplers and any NMRA-compliant magnetic knuckle coupler with a steel trip pin (McHenry, Atlas Accumate, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMark the magnet location with a small dot on the side of the rail\u003c\/li\u003e\n\u003cli\u003eUse Kadee #334 gluing jig for clean alignment\u003c\/li\u003e\n\u003cli\u003eDon't place the magnet inside a turnout or curve — keep on straight track\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e HO\/On3 — works with HO, O, On3 magnetic couplers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Kadee® — Made in USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU \/ Item:\u003c\/strong\u003e #308\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kadee","offers":[{"title":"Default Title","offer_id":45099055349942,"sku":"380-308","price":9.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_5bcae0a8-10e1-4e8c-9334-a31286ea0748.jpg?v=1779569825","url":"https:\/\/oakvillemodeltrains.com\/products\/kadee-308-under-the-track-hidden-delayed-action-magnetic-uncoupler-ho-o-on3","provider":"Oakville Model Trains Depot","version":"1.0","type":"link"}