{"product_id":"carrier-c4850c48ay04111-contactor-1k1tl0","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C48AY04111","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor HN53CB115 for Model C4850C48AY04111\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C4850C48AY04111\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by a 24V signal from the thermostat or control board. When the thermostat calls for cooling, the contactor closes its contacts and allows line voltage to energize the compressor and condenser fan motor. A failed contactor is one of the most common reasons a system hums without starting, fails to respond to a cooling call, or trips the breaker repeatedly due to pitted or welded contacts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 40A contact rating | Compatible with R-410A systems | Factory-matched Carrier HN53CB115 specification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-grade silver-alloy contacts rated for thousands of switching cycles. Generic contactors often use lower-grade alloys that pit faster under high inrush current, leading to premature failure and compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and verify zero voltage with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders ship same business day from our stocked warehouse — get your system running fast.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eC4850C48AY04111\u003c\/strong\u003e packaged unit. Always verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment before you buy — no guesswork required. \u003cstrong\u003eOrder now and ship today!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909878894963,"sku":"CARRIE-C4850C48AY04111-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909878927731,"sku":"CARRIE-C4850C48AY04111-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_e0932375-2d4a-449b-b9fc-434b0692147a.jpg?v=1782898769","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c48ay04111-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}