{"product_id":"carrier-c4850c50z2050500-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C4850C50Z2050500 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50Z2050500\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier C4850C50Z2050500\u003c\/strong\u003e packaged unit. The contactor functions as a high-voltage relay, receiving a 24V signal from the thermostat or control board to close its contacts and send line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or contacts that weld shut — you'll experience symptoms ranging from the system not turning on at all, to the compressor running continuously without cycling off, or audible chattering and buzzing from the electrical panel inside the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole configuration | 24V AC coil voltage | Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120 | Factory-matched contact rating for Carrier C48 series packaged equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-grade contact materials and coil windings engineered to Carrier's exact specifications. Aftermarket contactors often use lower-grade contact alloys that pit faster under load, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wire labels or tape. Photograph all wiring connections before removing the old contactor, and transfer 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 against defects in materials and workmanship. Orders placed before cutoff ship the same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC4850C50Z2050500\u003c\/strong\u003e packaged unit and directly replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Confirm coil voltage and pole configuration on your unit's data plate before ordering. Our HVAC parts specialists are available to verify fitment — reach out before you buy for complete peace of mind.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909803069811,"sku":"CARRIE-C4850C50Z2050500-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909803102579,"sku":"CARRIE-C4850C50Z2050500-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_95544c0a-4f60-4884-8c49-c7faafb8359e.jpg?v=1782904299","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50z2050500-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}