{"product_id":"carrier-c4850c50z3030100-contactor-1k1tl0","title":"OEM Carrier 2-Pole 40A 24V Coil Definite Purpose Contactor for C4850C50Z3030100 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50Z3030100 — HN53CB115\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C4850C50Z3030100\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to power the compressor and condenser fan motor. When the contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — the system will either fail to start entirely, run continuously without cycling off, or trip the breaker repeatedly.\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 | Direct OEM replacement for part number HN53CB115\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-matched contact materials and coil windings that meet Carrier's exact specifications. Aftermarket contactors frequently use inferior contact alloys that arc and pit faster, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and verify zero voltage with a multimeter before touching any terminals. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal to ensure correct reinstallation.\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 units ship 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\u003eC4850C50Z3030100\u003c\/strong\u003e packaged unit. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate prior to ordering. Our HVAC parts specialists are available to confirm fitment before you purchase — ensuring you get the right part the first time.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909799301491,"sku":"CARRIE-C4850C50Z3030100-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909799334259,"sku":"CARRIE-C4850C50Z3030100-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_6d864660-4f51-4a98-90e9-bd88023f3762.jpg?v=1782897502","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50z3030100-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}