{"product_id":"carrier-c4850c50z2040600-contactor-1k1tl0","title":"OEM Carrier 2-Pole 24V Coil Definite Purpose Contactor for C4850C50Z2040600 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor for Model C4850C50Z2040600\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-replacement contactor for the \u003cstrong\u003eCarrier C4850C50Z2040600\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat circuit — 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 won't respond to a thermostat call, produces a loud chattering noise, or runs continuously without shutting off. Replaces OEM part numbers \u003cstrong\u003eHN53CB115\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 coil voltage | Factory-rated amperage matched to Carrier C4850C50Z2040600 | Heavy-duty silver alloy contacts for long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-spec contact materials and coil windings. Generic substitutes often feature undersized contacts that pit and weld prematurely, causing compressor damage or a unit that won't shut off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power at the disconnect box and verify zero voltage with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals. Swap wires one at a time to avoid miswiring.\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 warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eC4850C50Z2040600\u003c\/strong\u003e packaged unit. Verify coil voltage and pole configuration against your unit's data plate before ordering. This listing covers OEM part numbers HN53CB115 and HN53HF122 — both are valid factory replacements for this model. Have a question about fitment? Our HVAC parts specialists confirm compatibility before you order — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909804511603,"sku":"CARRIE-C4850C50Z2040600-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909804544371,"sku":"CARRIE-C4850C50Z2040600-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_a6cd918a-a4af-4ef2-89e9-5792e4e277fe.jpg?v=1782897324","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50z2040600-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}