{"product_id":"carrier-c4850c50ak03611-contactor-1k1tl0","title":"OEM Carrier 25A 2-Pole 24V Contactor for C4850C50AK03611","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50AK03611\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C4850C50AK03611\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V signal from your thermostat or control board. When the call for cooling arrives, the contactor closes its contacts to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioner won't turn on — symptoms include a humming sound at the unit with no compressor start, pitted or burned contact points visible on inspection, or the system running constantly without cycling off.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole design | 24V AC coil voltage | Factory-rated amperage for Carrier C4850C50AK03611 | OEM part number HN53CB115 | Direct plug-and-play terminal fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory OEM contactor uses silver-alloy contact points engineered to Carrier's exact specifications. Generic contactors frequently use inferior contact materials that pit and weld under load, causing premature failure — often within a single cooling season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify zero voltage with a multimeter 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 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the \u003cstrong\u003eCarrier C4850C50AK03611\u003c\/strong\u003e packaged unit. Always verify coil voltage and pole configuration against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — no guesswork, no return hassle.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909829775731,"sku":"CARRIE-C4850C50AK03611-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909829808499,"sku":"CARRIE-C4850C50AK03611-CONTACTOR-HN53CB115-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-HN53CB115_9c17a16c-4743-4226-abe3-5e10ea75c7a8.jpg?v=1782898285","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50ak03611-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}