{"product_id":"carrier-hb1cjx048000aaaa-contactor-1iwxlq","title":"OEM Carrier Contactor 24V Coil 2-Pole for HB1CJX048000AAAA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model HB1CJX048000AAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier HB1CJX048000AAAA\u003c\/strong\u003e split-system unit. The contactor is a high-voltage relay controlled by your thermostat's 24V signal — when the thermostat calls for cooling, the contactor closes and sends line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioner won't start: the system may hum without engaging, trip a breaker repeatedly, or simply produce no response at all when cooling is demanded.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | High-amperage load contacts | Factory-matched to Carrier OEM spec for model HB1CJX048000AAAA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contacts rated for exact load cycles specified by Carrier engineering. Generic contactors frequently use lower-grade contact material that pits and welds prematurely, causing hard-start or locked-on compressor failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always disconnect power at both the disconnect box and breaker before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and voltage tester. Photograph all wiring connections before removal. Verify coil voltage with a multimeter before condemning the contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our climate-controlled parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-specified for the Carrier \u003cstrong\u003eHB1CJX048000AAAA\u003c\/strong\u003e packaged or split-system unit. Always confirm coil voltage and pole configuration on your existing contactor's label before ordering. Not sure it fits? Our HVAC parts specialists verify fitment at no charge — contact us before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909344383347,"sku":"CARRIE-HB1CJX048000AAAA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909344416115,"sku":"CARRIE-HB1CJX048000AAAA-CONTACTOR-HN51KC024-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-HN51KC024_016624f3-4b1f-43bb-9747-eb3a4039a133.jpg?v=1782905300","url":"https:\/\/nationalhvacparts.com\/products\/carrier-hb1cjx048000aaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}