{"product_id":"carrier-c4850c48ay06051-contactor-1k1tl0","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C48AY06051","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C48AY06051\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C4850C48AY06051\u003c\/strong\u003e packaged unit. The contactor acts as the primary switching device that energizes the compressor and condenser fan motor when the thermostat calls for cooling. When it fails — due to pitted contacts, a burned coil, or a stuck plunger — the unit either won't start at all, runs continuously without cycling off, or trips the breaker. Replacing a failed 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 | 30–40A load rating | Factory-matched contact material and coil resistance | Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM Carrier contactors use silver-alloy contact tips rated for the exact switching loads of this unit. Generic contactors often use lower-grade contact material that pits faster under repeated cycling, reducing service life by 30–50% in high-run-time climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the disconnect box and confirm zero voltage with a multimeter before touching any terminals. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting — line, load, and coil terminals must be reconnected correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before 3 PM local time ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC4850C48AY06051\u003c\/strong\u003e 4-ton packaged unit. This listing covers three superseded OEM part numbers — HN53CB115, HN53HF122, and HN53HG120 — all of which are direct replacements for this application. Verify pole count and coil voltage on your unit's data plate before ordering. Our parts specialists are available to confirm fitment at no charge.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909872734579,"sku":"CARRIE-C4850C48AY06051-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909872767347,"sku":"CARRIE-C4850C48AY06051-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_661f0107-bf58-448e-b4c4-a0f7401a6489.jpg?v=1782898772","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c48ay06051-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}