{"product_id":"liftmaster-lm56a-proximity-reed-switch","title":"LiftMaster LM56A Proximity Reed Switch","description":"\u003ch2\u003eOverhead Door Proximity Reed Switch for Dock Monitoring\u003c\/h2\u003e\n\u003cp\u003eThe LiftMaster LM56A Proximity Reed Switch is a normally open, magnetic sealed reed switch assembly used to monitor overhead door position and related dock equipment status. It is commonly used to confirm whether a dock leveler is deployed or a truck restraint is engaged, supporting productivity and status tracking when paired with myQ Dock Management.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormally open\u003c\/strong\u003e magnetic reed switch contact for overhead door monitoring\u003c\/li\u003e\n\u003cli\u003eFixed magnet design for consistent door position sensing\u003c\/li\u003e\n\u003cli\u003eRugged construction intended for high-traffic dock and industrial door environments\u003c\/li\u003e\n\u003cli\u003eStainless steel armored cable helps protect wiring in demanding installs\u003c\/li\u003e\n\u003cli\u003eHermetically sealed reed switch design\u003c\/li\u003e\n\u003cli\u003eRequires Dock Door Operator model DDO8900W with the LMi5 Interface Device (for myQ Dock Management use)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact Type:\u003c\/strong\u003e Form A (N.O.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact Rating:\u003c\/strong\u003e 10VA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Carry Current:\u003c\/strong\u003e 2 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Switching Current:\u003c\/strong\u003e 0.5 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreakdown Voltage:\u003c\/strong\u003e 250 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Gap:\u003c\/strong\u003e 2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e 24 in stainless steel armored cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeads:\u003c\/strong\u003e 22 AWG, 24 in leads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -40°F to 257°F (-40°C to 125°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL and ULC listed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso Known As:\u003c\/strong\u003e ODC-56 (Potter Amseco)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003eThe LiftMaster LM56A is a purpose-built proximity reed switch solution for overhead door and dock monitoring where durable construction, consistent sensing, and protected wiring matter. Elite recommends confirming application requirements and interface dependencies before ordering to ensure proper system operation.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0141\/9617\/8998\/files\/LM56A_specs.pdf\" class=\"elite-button\" target=\"_blank\"\u003eCut Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"LiftMaster","offers":[{"title":"Default Title","offer_id":47828379009332,"sku":"LM56A","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0141\/9617\/8998\/files\/LM56A.jpg?v=1753910573","url":"https:\/\/theelitegateoffers.com\/products\/liftmaster-lm56a-proximity-reed-switch","provider":"Elite Gates","version":"1.0","type":"link"}