{"product_id":"carrier-c4850c50zn050100-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C4850C50ZN050100 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50ZN050100\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C4850C50ZN050100\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 a contactor fails — due to pitted contacts, a burned coil, or a stuck armature — the system will either refuse to start entirely, run continuously without shutting off, or trip the breaker repeatedly. Replacing it with the correct OEM part (HN53CB115) restores reliable switching and protects downstream components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | Rated for high-amperage compressor loads | OEM part number HN53CB115 | Factory-matched contact material and coil impedance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory amperage specs. Generic units often use lower-grade contacts that pit faster under repeated high-inrush compressor loads, shortening service life significantly in hot climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power at the breaker and verify zero voltage with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Re-torque line terminals to spec to prevent arcing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-specified for the Carrier \u003cstrong\u003eC4850C50ZN050100\u003c\/strong\u003e packaged unit. Always verify coil voltage and pole configuration on your unit's data plate before ordering. Our parts specialists are available to confirm fitment — don't hesitate to reach out before you buy. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909774332275,"sku":"CARRIE-C4850C50ZN050100-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909774365043,"sku":"CARRIE-C4850C50ZN050100-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_82e038b9-21cb-4a17-bdab-0ec5ba693177.jpg?v=1782904341","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50zn050100-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}