{"product_id":"carrier-c48a202051-contactor-1k1tl0","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for C48A202051 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C48A202051\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C48A202051\u003c\/strong\u003e packaged unit. The contactor acts as the primary electrical switch that the thermostat's 24V control signal uses to close the high-voltage circuit and energize the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a welded plunger, or a burned coil — the unit will either fail to start entirely, run continuously without shutting off, or trip the breaker repeatedly. Replacing it with the correct OEM part (HN53CB115 or HN53HF122) restores reliable operation and protects downstream components from voltage irregularities caused by worn contact surfaces.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 40A rated contacts | 240V power circuit | Replaces OEM part numbers HN53CB115 and HN53HF122\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for the exact load profile of the C48A202051. Generic units frequently use lower-grade contacts that pit faster, increasing the risk of welding under high inrush current and shortening compressor life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect and lock out power at the disconnect box and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals. Line-voltage wiring is present — exercise caution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. 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 Designed for the \u003cstrong\u003eCarrier C48A202051\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 and wiring diagram before ordering. Our fitment team is available to confirm compatibility before you purchase — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909763649907,"sku":"CARRIE-C48A202051-CONTACTOR-HN53CB115","price":40.8,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909763682675,"sku":"CARRIE-C48A202051-CONTACTOR-HN53CB115-GEN","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CB115_c407fa57-c03b-4d96-84c4-a172dbf1fdf0.jpg?v=1782898842","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a202051-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}