{"product_id":"carrier-c4850c50aj03661-contactor-1k1tl0","title":"OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for C4850C50AJ03661 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50AJ03661\u003c\/h1\u003e\u003cp\u003eThis OEM contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C4850C50AJ03661\u003c\/strong\u003e packaged unit. The contactor acts as the main electrical switch that energizes the compressor and condenser fan motor when your thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or stuck plunger — the unit will either refuse to start, run continuously without cycling off, or trip the breaker repeatedly. Replacing it is one of the most common and cost-effective AC repairs available.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole configuration | 24V AC coil voltage | Factory-rated amperage for Carrier C4850C50AJ03661 | OEM part number HN53CB115 | Built to Carrier factory tolerances for reliable switching under high-load conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier contactor. OEM units feature contact surfaces rated to exact amperage specifications, preventing premature pitting and arcing that plague lower-quality generic replacements — protecting your compressor investment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect box and verify zero voltage with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, multimeter, needle-nose pliers. Photograph all wire positions before removal. The contactor slides out of the control panel and wires transfer one at a time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eC4850C50AJ03661\u003c\/strong\u003e packaged unit. Always confirm coil voltage and pole configuration on your unit's data plate before ordering. Our HVAC parts specialists are available to verify fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909840490867,"sku":"CARRIE-C4850C50AJ03661-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909840523635,"sku":"CARRIE-C4850C50AJ03661-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_6fc153f6-71eb-47ec-947a-2ce81f0acef0.jpg?v=1782897416","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50aj03661-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}