{"product_id":"carrier-c4850c48ay02021-contactor-1k1tl0","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C48AY02021","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor HN53CB115 for Model C4850C48AY02021\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C4850C48AY02021\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V signal from your thermostat or control board. When you call for cooling, the contactor closes to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common causes of an air conditioning system that hums but won't start, trips the breaker, or fails to energize altogether — making this a critical first-check component during a no-cooling service call.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 30–40A rated contacts | Fits Carrier packaged unit series | OEM part number HN53CB115\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-grade contact materials and coil windings matched to Carrier's original specifications. Aftermarket contactors often use lower-grade contact tips that pit and weld prematurely, leading to callbacks and compressor damage from voltage drop.\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 touching any wiring. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before removing the old contactor. Transfer wires one at a time to avoid miswiring.\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 Designed for the Carrier \u003cstrong\u003eC4850C48AY02021\u003c\/strong\u003e packaged unit. Always confirm coil voltage and pole configuration on your unit's wiring diagram or data plate before ordering. Our parts specialists are available to verify fitment — reach out before you order if you have any questions. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909886923123,"sku":"CARRIE-C4850C48AY02021-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909886955891,"sku":"CARRIE-C4850C48AY02021-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_daf68a9c-3d00-4772-8a3c-a93aa4d40871.jpg?v=1782898755","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c48ay02021-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}