{"product_id":"carrier-c50a402751-contactor-1k1tl0","title":"OEM Carrier 2-Pole 40A 24V Coil Definite Purpose Contactor for C50A402751 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil 40A for Model C50A402751\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier C50A402751\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 send line voltage to the compressor and condenser fan motor. When it fails — due to pitted contacts, a burned coil, or a stuck plunger — the system will either refuse to energize at all or run continuously without cycling off. Replacing a worn contactor 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 | 40A rated | 24V coil voltage | Compatible OEM part numbers: HN53CB115, HN53CD115, HN53HF122 | Replaces worn, pitted, or burned contacts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-grade silver-alloy contact tips rated for the exact load cycle of the Carrier C50A402751. Generic contactors may use lower-grade contacts that pit faster, especially in high-cycle commercial applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at both the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wire labels or tape. Photograph all wiring connections before removing the old contactor 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. 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 Carrier \u003cstrong\u003eC50A402751\u003c\/strong\u003e commercial packaged unit. Cross-references OEM part numbers HN53CB115, HN53CD115, and HN53HF122 — verify your existing part number against this list before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before your order ships. \u003cstrong\u003eIn stock — order today for same-day shipping.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909685563763,"sku":"CARRIE-C50A402751-CONTACTOR-HN53CB115","price":36.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909685596531,"sku":"CARRIE-C50A402751-CONTACTOR-HN53CB115-GEN","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CB115_3147bf2b-18c7-4aa7-bfe2-2e71bca74976.jpg?v=1782897518","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a402751-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}