{"product_id":"carrier-c50a402722-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C50A402722","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C50A402722\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified part for the \u003cstrong\u003eCarrier C50A402722\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by your thermostat's 24V signal — when the call for cooling comes in, the contactor closes and supplies line voltage to the compressor and condenser fan motor. A failed or pitted contactor is one of the most common causes of an air conditioning system that simply won't turn on, hums at startup, or trips the breaker repeatedly. OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e and \u003cstrong\u003eHN53CD115\u003c\/strong\u003e are both covered by this listing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Heavy-duty silver-alloy contacts | Rated for high-cycle commercial and residential packaged unit applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors (HN53CB115 \/ HN53CD115) use factory-grade contact material and spring tension. Generic units often suffer from premature pitting, arcing, and coil burnout — resulting in repeat failures within a single season.\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, 1\/4\" nut driver, 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 1-year OEM factory warranty. 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 This contactor is engineered specifically for the \u003cstrong\u003eCarrier C50A402722\u003c\/strong\u003e packaged unit. Cross-reference your existing part number against \u003cstrong\u003eHN53CB115\u003c\/strong\u003e or \u003cstrong\u003eHN53CD115\u003c\/strong\u003e and verify coil voltage and pole configuration on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before your order ships — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909685694835,"sku":"CARRIE-C50A402722-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909685727603,"sku":"CARRIE-C50A402722-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_3c52eb06-f82b-42f0-b159-f17b626546e7.jpg?v=1782904450","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a402722-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}