{"product_id":"carrier-roa0300l5d-contactor-1k1rxh","title":"OEM Carrier Contactor 2-Pole 24V Coil for ROA0300L5D — HN53CD209","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model ROA0300L5D — HN53CD209\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CD209\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier ROA0300L5D\u003c\/strong\u003e condensing unit. The contactor is the high-voltage relay that receives a 24V signal from your thermostat and switches line voltage to energize the compressor and condenser fan motor. When the contactor fails — due to burned, pitted, or welded contacts — the most common symptoms are an air conditioner that won't turn on at all, a compressor that runs continuously even with the thermostat off, or visible arcing and chattering at the contactor terminals inside the disconnect panel.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole configuration | 24V AC coil voltage | Factory-rated amperage matched to ROA0300L5D | Replaces OEM part number HN53CD209\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor is manufactured to Carrier's exact specifications — contact gap, coil pull-in voltage, and amp rating are all factory-matched. Generic contactors may use thinner contact material and looser coil tolerances, shortening service life in high-cycle residential applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Line voltage is present in the outdoor disconnect box. Always shut off the disconnect and verify with a non-contact voltage tester before proceeding. Tools required: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, and a multimeter. Photograph all wiring before removing the old contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before 3 PM local time ship the same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003eROA0300L5D\u003c\/strong\u003e condensing unit. Always confirm the part number printed on your existing contactor and cross-reference with the unit's wiring diagram label before ordering. Our HVAC parts specialists are available to verify fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640303407475,"sku":"CARRIE-ROA0300L5D-CONTACTOR-HN53CD209","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640303440243,"sku":"CARRIE-ROA0300L5D-CONTACTOR-HN53CD209-GEN","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN53CD209.jpg?v=1775021815","url":"https:\/\/nationalhvacparts.com\/products\/carrier-roa0300l5d-contactor-1k1rxh","provider":"National HVAC Parts","version":"1.0","type":"link"}