{"product_id":"carrier-c4850c50zn105110-contactor-1k1tl0","title":"OEM Carrier 2-Pole 24V Coil Definite Purpose Contactor for C4850C50ZN105110 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50ZN105110\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C4850C50ZN105110\u003c\/strong\u003e packaged unit. The contactor acts as the primary switching device that closes the high-voltage circuit to the compressor and condenser fan motor whenever the thermostat calls for cooling. A failed contactor is one of the most common causes of a non-responsive air conditioning system — symptoms include the outdoor unit not energizing at all, intermittent compressor dropout, chattering or buzzing sounds from the contactor coil, or visible pitting and burning on the contact points.\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 replacement for part numbers HN53CB115, HN53HF122, and 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 amperage specifications, ensuring reliable switching and longer service life. Generic alternatives frequently use lower-grade contacts that pit faster under load, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wire connections before removal. The contactor pulls straight out of its mounting bracket after terminal screws are loosened.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for \u003cstrong\u003eCarrier model C4850C50ZN105110\u003c\/strong\u003e. This listing covers 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. Not sure it fits? Our HVAC parts specialists verify fitment before you buy. \u003cstrong\u003eOrder by 3 PM EST for same-day shipping.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909769515379,"sku":"CARRIE-C4850C50ZN105110-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909769548147,"sku":"CARRIE-C4850C50ZN105110-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_614b6893-b395-4bd4-b57b-8e79e1abb888.jpg?v=1782897360","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50zn105110-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}