{"product_id":"carrier-c4850c50ay03661-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C4850C50AY03661 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor for Model C4850C50AY03661 — Part# HN53CB115 \/ HN53HF122\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C4850C50AY03661\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that receives a low-voltage (24V) signal from the thermostat or control board and closes the circuit to send line voltage to the compressor and condenser fan motor. When the contactor fails — due to worn contact points, pitting, or a burnt coil — the system will hum without starting, fail to cool entirely, or trip the breaker repeatedly. Replacing it promptly prevents cascading damage to the compressor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | Rated for single-phase line voltage applications | OEM part numbers HN53CB115 and HN53HF122 — verify your unit's data plate for the correct cross-reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM Carrier contactors are manufactured to exact factory contact ratings and coil pull-in voltage tolerances. Generic contactors may use thinner contact material that pits faster under high-cycle summer loads, risking compressor failure within one season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and confirm voltage is zero with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers. Photograph all wiring connections before removal. Swap one wire at a time to avoid miswiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock units ship same business day from our warehouse when ordered before 3PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier C4850C50AY03661\u003c\/strong\u003e packaged unit. Two OEM part numbers apply to this model — HN53CB115 and HN53HF122 — reflecting a production revision; both are direct replacements. Always confirm coil voltage and pole configuration against your existing contactor's label before installation. Need help verifying fitment? Our HVAC parts specialists confirm compatibility before you order — no guesswork.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909810901363,"sku":"CARRIE-C4850C50AY03661-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909810934131,"sku":"CARRIE-C4850C50AY03661-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_1af944c0-08f9-4e4c-be86-001781cd2c2a.jpg?v=1782904272","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50ay03661-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}