{"product_id":"carrier-coa0300m5y-contactor-1k1rxh","title":"OEM Carrier Contactor 2-Pole 24V Coil for COA0300M5Y — HN53CD209","description":"\u003ch1\u003eOEM Carrier Contactor 2-Pole 24V Coil for Model COA0300M5Y — HN53CD209\u003c\/h1\u003e\u003cp\u003eThis OEM contactor (part number \u003cstrong\u003eHN53CD209\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier COA0300M5Y\u003c\/strong\u003e condensing unit. The contactor is a high-voltage relay controlled by your thermostat's 24V signal — when the thermostat calls for cooling, the contactor closes its contacts to deliver line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an outdoor unit won't energize: symptoms include a system that hums but won't start, pitted or burned contact points, or a contactor that stays pulled in even after the thermostat shuts off, causing the unit to run continuously.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Heavy-duty contact rating | Factory-matched drop-in replacement for OEM part \u003cstrong\u003eHN53CD209\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit meets Carrier's exact contact material and coil pull-in voltage specifications. Aftermarket contactors often use inferior contact alloys that pit and weld faster under high-cycle loads, reducing service life significantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor to ensure correct reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eCOA0300M5Y\u003c\/strong\u003e condensing unit. Verify coil voltage and pole configuration on your unit's data plate or existing contactor before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you buy — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909606134131,"sku":"CARRIE-COA0300M5Y-CONTACTOR-HN53CD209","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909606166899,"sku":"CARRIE-COA0300M5Y-CONTACTOR-HN53CD209-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CD209_bdc49f17-2d7e-4cba-92f8-e6bbcf3287d6.jpg?v=1782904545","url":"https:\/\/nationalhvacparts.com\/products\/carrier-coa0300m5y-contactor-1k1rxh","provider":"National HVAC Parts","version":"1.0","type":"link"}