{"product_id":"carrier-c4850c50z7090110-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C4850C50Z7090110 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50Z7090110\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C4850C50Z7090110\u003c\/strong\u003e packaged unit. The contactor acts as the primary electrical switch that energizes the compressor and condenser fan motor when the thermostat calls for cooling. When the contactor fails — due to pitted or burned contacts, a welded coil, or worn contact points — your system will either refuse to start entirely, run continuously without shutting off, or trip the breaker repeatedly. Replacing it with an OEM-matched contactor restores reliable switching and protects downstream components like the compressor from voltage irregularities.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V control coil voltage | Factory-rated amperage for Carrier C4850C50Z7090110 | OEM part numbers: HN53CB115, HN53HF122, HN53HG120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory arc-interruption specs. Generic contactors frequently use lower-grade contacts that pit faster under compressor inrush current, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wire connections before removal — line-side and load-side orientation is critical. Double-check coil voltage (24V) matches your control board output before energizing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed by 3 PM local time ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for Carrier model \u003cstrong\u003eC4850C50Z7090110\u003c\/strong\u003e packaged units. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909785964915,"sku":"CARRIE-C4850C50Z7090110-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909785997683,"sku":"CARRIE-C4850C50Z7090110-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_401e5330-a6d4-4867-8685-0d5f24a8f968.jpg?v=1782904315","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50z7090110-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}