{"product_id":"carrier-c50a202751-contactor-1k1tl0","title":"OEM Carrier 2-Pole 40A 24V Coil Definite Purpose Contactor for C50A202751 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil 40A for Model C50A202751\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified part for the \u003cstrong\u003eCarrier C50A202751\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that bridges your 24V control circuit to the 240V power supply, energizing the compressor and condenser fan motor every time your thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the result is an AC unit that hums but won't start, trips the breaker repeatedly, or simply does nothing when the thermostat calls for cool. Replaces OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53CD115\u003c\/strong\u003e, and \u003cstrong\u003eHN53HF122\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 40A contact rating | Direct OEM drop-in replacement | Matches factory wiring footprint exactly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic contactors often use lower-grade alloys that pit and arc prematurely, leading to repeat failures within one to two seasons.\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 beginning work. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals to ensure correct reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty. Orders placed before our daily cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Carrier model \u003cstrong\u003eC50A202751\u003c\/strong\u003e commercial packaged units. Cross-references OEM part numbers HN53CB115, HN53CD115, and HN53HF122. Verify coil voltage and pole configuration on your unit's data plate before ordering. Our parts specialists are available to confirm fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909716136307,"sku":"CARRIE-C50A202751-CONTACTOR-HN53CB115","price":36.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909716169075,"sku":"CARRIE-C50A202751-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_4f05f0f6-9be7-4aac-a5a2-c560358fac84.jpg?v=1782897509","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a202751-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}