{"product_id":"carrier-c4850c50aw04021-contactor-1k1tl0","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50AW04021 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50AW04021\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C4850C50AW04021\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when the thermostat calls for cooling, the contactor closes and delivers line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system will not respond at all, hum without starting, or fail to shut off after cooling demand is satisfied. OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e and \u003cstrong\u003eHN53HF122\u003c\/strong\u003e are both factory-authorized replacements for this model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 40A rated contacts | Direct OEM drop-in replacement — no wiring modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for the full factory amperage cycle life. Generic contactors frequently use lower-grade contacts that pit and burn prematurely, leading to premature compressor failure or nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify voltage is absent with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C4850C50AW04021\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers HN53CB115 and HN53HF122. Always verify pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909819158899,"sku":"CARRIE-C4850C50AW04021-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909819191667,"sku":"CARRIE-C4850C50AW04021-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_d735fc35-2018-478f-bda6-7637d1fdc1c2.jpg?v=1782898811","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50aw04021-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}