{"product_id":"carrier-c4850c50z9105110-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C4850C50Z9105110 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50Z9105110\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C4850C50Z9105110\u003c\/strong\u003e packaged unit. The contactor acts as the primary switching device that closes when the thermostat calls for cooling, sending line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, coil burnout, or a stuck\/welded position — the most common symptoms are an air conditioner that refuses to start, runs continuously without shutting off, or trips the breaker on startup. Replacing the contactor is one of the most common and cost-effective HVAC repairs available.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole configuration | 24V AC coil voltage | Heavy-duty contacts rated for compressor load | Direct OEM replacement for part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53HF122\u003c\/strong\u003e, and \u003cstrong\u003eHN53HG120\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor is built to Carrier's exact coil pull-in voltage and contact gap tolerances. Generic contactors frequently use thinner contact material that pits faster under inrush current, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at both the disconnect box and the breaker panel before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, and a multimeter to confirm coil resistance. Photograph all wiring before disconnecting terminals to ensure accurate reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty. Orders placed before cutoff ship the same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC4850C50Z9105110\u003c\/strong\u003e packaged unit. This part cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — confirm your existing contactor's pole count and coil voltage against your unit's data plate prior to ordering. Our parts specialists are available to verify fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909783146867,"sku":"CARRIE-C4850C50Z9105110-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909783179635,"sku":"CARRIE-C4850C50Z9105110-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_bcadd96b-021c-4c33-a258-597cbf2f6c35.jpg?v=1782904327","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50z9105110-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}