{"product_id":"carrier-c4850c50zg040500-contactor-1k1tl0","title":"OEM Carrier 2-Pole 24V Coil Definite Purpose 40A Contactor HN53CB115 for C4850C50ZG040500 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50ZG040500\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier C4850C50ZG040500\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to send line voltage to the compressor and condenser fan motor. When it fails — through burnt contacts, a stuck plunger, or a failed coil — the system either won't energize at all or runs continuously without responding to thermostat commands. Replacing a worn contactor is one of the most cost-effective repairs in HVAC service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V control coil | 30–40A contact rating | Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120 | Factory-matched coil pull-in voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for exact factory amperage draw. Generic alternatives frequently use lower-grade contacts that pit and weld prematurely, leading to repeat failures and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the disconnect box and verify zero voltage with a multimeter before touching any terminals. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter. Photograph all wiring before removing the old contactor to ensure correct reconnection.\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 3 PM EST ship 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\u003eC4850C50ZG040500\u003c\/strong\u003e packaged unit. This contactor crosses to OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53HF122\u003c\/strong\u003e, and \u003cstrong\u003eHN53HG120\u003c\/strong\u003e — verify your existing part number against this list before ordering. Always confirm pole count, coil voltage, and amperage rating on your unit's data plate. Our parts specialists are available to verify fitment before you purchase.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909780722035,"sku":"CARRIE-C4850C50ZG040500-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909780754803,"sku":"CARRIE-C4850C50ZG040500-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_e0b496d8-a6c5-43c3-a8ae-39278f4c15a3.jpg?v=1782897276","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50zg040500-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}