{"product_id":"carrier-c4850c50zw075610-contactor-1k1tl0","title":"OEM Carrier 25A Contactor HN53CB115 for C4850C50ZW075610","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50ZW075610\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C4850C50ZW075610\u003c\/strong\u003e packaged unit. The contactor is the high-voltage relay responsible for switching power to the compressor and condenser fan motor when the thermostat calls for cooling. A failed contactor is one of the most common causes of a completely unresponsive AC system — symptoms include the unit not turning on at all, a buzzing sound from the electrical panel area, or pitted\/burned contact points visible on inspection. OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53HF122\u003c\/strong\u003e, and \u003cstrong\u003eHN53HG120\u003c\/strong\u003e are all factory-valid replacements for this application.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Rated for high-amperage compressor loads | Direct OEM drop-in replacement — no wiring modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM Carrier contactors use silver-alloy contact points rated for tens of thousands of switching cycles. Generic contactors frequently use lower-grade alloys that pit and weld closed under load, potentially causing compressor runaway or system damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at both the disconnect box and breaker before starting. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Line-voltage terminals are present — exercise full 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 dedicated HVAC parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eC4850C50ZW075610\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Verify coil voltage and pole configuration against your unit's wiring diagram and data plate before ordering. Not sure if this is the right part? Our HVAC parts specialists confirm fitment before you buy — contact us today and get back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909767876979,"sku":"CARRIE-C4850C50ZW075610-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909767909747,"sku":"CARRIE-C4850C50ZW075610-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_765681e0-c1e7-4641-97ad-688e21a40406.jpg?v=1782898298","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50zw075610-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}