{"product_id":"carrier-c4850c50z2040500-contactor-1k1tl0","title":"OEM Carrier 2-Pole Contactor 24V Coil for C4850C50Z2040500 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50Z2040500\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C4850C50Z2040500\u003c\/strong\u003e packaged unit. The contactor acts as the primary switching relay between your thermostat's 24V control signal and the high-voltage power supply to the compressor and condenser fan motor. When the contactor fails — due to burned or pitted contacts, a welded contactor, or a failed coil — the system will either refuse to turn on entirely or will run continuously without responding to thermostat commands. OEM part numbers covered by this listing: \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53HF122\u003c\/strong\u003e, and \u003cstrong\u003eHN53HG120\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Factory-rated amperage for compressor and fan loads | Direct OEM replacement — no modification required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is an OEM Carrier contactor built to exact factory contact ratings and coil pull-in voltage. Aftermarket contactors frequently use lower-grade silver-alloy contacts that pit and weld faster under inductive compressor loads, shortening service life significantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before removal. Verify coil voltage and pole count match your unit's data plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed by cutoff time 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\u003eC4850C50Z2040500\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Always confirm pole count, coil voltage, and amperage rating on your unit's data plate before ordering. Our HVAC parts specialists are available to verify fitment — order with confidence.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909804675443,"sku":"CARRIE-C4850C50Z2040500-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909804708211,"sku":"CARRIE-C4850C50Z2040500-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_7387ddaf-adc1-4103-abb6-a3916533b65f.jpg?v=1782897594","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50z2040500-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}