{"product_id":"carrier-c50a306051-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C50A306051","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C50A306051\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C50A306051\u003c\/strong\u003e commercial packaged rooftop unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when the thermostat calls for cooling, the contactor closes and delivers line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system will not energize at all, buzz continuously, or fail to restart after shutoff. Pitted, burned, or welded contacts are telltale signs it needs immediate replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Factory-rated amperage for C50A306051 | Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor meets Carrier's exact coil pull-in voltage and contact material specifications. Generic contactors frequently use lower-grade silver-alloy contacts that pit faster under compressor inrush current, leading to premature failure within one to two seasons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off power at the disconnect and breaker before beginning work. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all high-voltage wiring connections before removal. Verify coil voltage with a multimeter prior to replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our fulfillment warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC50A306051\u003c\/strong\u003e commercial rooftop packaged unit. This listing covers OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — all factory-authorized replacements for this platform. Always confirm coil voltage and pole count against your unit's wiring diagram and data plate before ordering. Our HVAC parts specialists are available to verify fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909693362547,"sku":"CARRIE-C50A306051-CONTACTOR-HN53CB115","price":40.8,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909693395315,"sku":"CARRIE-C50A306051-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_209cccb5-197b-405d-bf4b-3aa8d032d493.jpg?v=1782904441","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a306051-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}