{"product_id":"carrier-c4850c48zn040500-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C4850C48ZN040500 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C48ZN040500\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier C4850C48ZN040500\u003c\/strong\u003e packaged unit. The contactor is the high-voltage relay that closes the circuit between your disconnect and the compressor and condenser fan motor when the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the system either won't start at all, runs continuously without cycling off, or produces an audible buzzing from the electrical panel area of the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V control coil | Matches factory amperage rating for Carrier C4850C48ZN040500 | OEM part numbers HN53CB115, HN53HF122, and HN53HG120 cross-referenced and confirmed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory spec, ensuring full amp capacity and long service life. Generic contactors often use inferior contact materials that pit and arc prematurely, especially under the high inrush current of a compressor start.\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 touching any terminals. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, multimeter, needle-nose pliers. Photograph all wiring before removal. Line voltage terminals carry 240V — exercise extreme caution.\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 stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C4850C48ZN040500\u003c\/strong\u003e packaged unit. This listing covers OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — all factory-authorized replacements for this model. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment prior to purchase. \u003cstrong\u003eIn stock — ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909858382195,"sku":"CARRIE-C4850C48ZN040500-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909858414963,"sku":"CARRIE-C4850C48ZN040500-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_c58f3dc1-3a58-499e-bb86-53a842f1a96e.jpg?v=1782904224","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c48zn040500-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}