{"product_id":"carrier-c4850c50z3075110-contactor-1k1tl0","title":"OEM Carrier 2-Pole 24V Coil 40A Contactor for C4850C50Z3075110 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50Z3075110\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified part for the \u003cstrong\u003eCarrier C4850C50Z3075110\u003c\/strong\u003e packaged unit. The contactor is the high-voltage relay that receives a 24V signal from your thermostat and closes the circuit to power the compressor and condenser fan motor. When it fails, the most common symptoms are an air conditioner that won't turn on at all, a humming sound with no compressor engagement, or a unit that runs continuously because the contacts have welded shut. Replaces OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53HF122\u003c\/strong\u003e, and \u003cstrong\u003eHN53HG120\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole design | 24V coil voltage | 30–40A contact rating | Direct factory replacement for Carrier HN53CB115, HN53HF122, HN53HG120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contacts rated for thousands of switching cycles. Generic substitutes frequently use lower-grade alloys that pit and weld prematurely, leading to compressor damage and repeat service calls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting power at the disconnect box and verifying zero voltage with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Coil wires and line\/load lugs must be reconnected exactly as removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C4850C50Z3075110\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Always verify coil voltage and pole configuration on your unit's data plate prior to ordering. Our fitment team is available to confirm compatibility before you purchase — your satisfaction is guaranteed.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909787832691,"sku":"CARRIE-C4850C50Z3075110-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909787865459,"sku":"CARRIE-C4850C50Z3075110-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_7f9d84f2-39c2-456a-a752-fbbedeb80289.jpg?v=1782897216","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50z3075110-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}