{"product_id":"carrier-c4850c50zz075110-contactor-1k1tl0","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50ZZ075110 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50ZZ075110\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C4850C50ZZ075110\u003c\/strong\u003e packaged unit. The contactor acts as the primary electrical switch that connects line voltage to the compressor and condenser fan motor whenever the thermostat sends a 24V call for cooling. When the contactor fails — whether from pitted contacts, a burned coil, or a stuck plunger — the unit will either refuse to start entirely, run continuously without cycling off, or trip the breaker under load. Replacing it is one of the most cost-effective repairs in HVAC service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 30–40A contact rating | Compatible OEM part numbers: \u003cstrong\u003eHN53CB115, HN53HF122, HN53HG120\u003c\/strong\u003e | Heavy-duty silver-alloy contact tips for extended service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-matched coil resistance and contact gap tolerances, ensuring reliable pull-in voltage and arc suppression under full compressor load. Generic contactors can exhibit premature contact pitting and coil burnout, especially in high-cycle Southern climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter to verify de-energized. Always photograph all wire connections before removal. Reuse existing wiring in the same terminal positions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Ships 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\u003eC4850C50ZZ075110\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Verify pole count, coil voltage, and amperage rating on your unit's data plate before ordering. Our fitment team is available to confirm compatibility — order with confidence and receive fast, same-day shipping.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909766009203,"sku":"CARRIE-C4850C50ZZ075110-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909766041971,"sku":"CARRIE-C4850C50ZZ075110-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_60813ebb-44a3-44ff-a5ab-4b484755e17a.jpg?v=1782898840","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50zz075110-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}