{"product_id":"carrier-c4850c50zg030500-contactor-1k1tl0","title":"OEM Carrier 2-Pole 30A 24V Coil Contactor for C4850C50ZG030500 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50ZG030500\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier C4850C50ZG030500\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when the thermostat calls for cooling, the contactor closes and supplies line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system hums loudly but won't start, won't respond to the thermostat, or trips the breaker repeatedly. Pitted or welded contacts also cause the unit to run continuously without shutting off.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Heavy-duty contact rating | Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — direct factory fit, no modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM Carrier contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic contactors frequently use lower-grade contact material that pits prematurely, leading to repeat failures and potential compressor damage from voltage drop across worn contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect and breaker before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, non-contact voltage tester. Photograph all wiring before disconnecting. Line-voltage terminals must be torqued to spec to prevent arcing.\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 cutoff ship the same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C4850C50ZG030500\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. 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 you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909782360435,"sku":"CARRIE-C4850C50ZG030500-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909782393203,"sku":"CARRIE-C4850C50ZG030500-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_242ff056-c07b-4067-9d10-7fd9cec471f5.jpg?v=1782897410","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50zg030500-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}