{"product_id":"carrier-c4850c50aj04061-contactor-1k1tl0","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil HN53CB115 for C4850C50AJ04061 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier Contactor 2-Pole 24V Coil for Model C4850C50AJ04061\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C4850C50AJ04061\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when the thermostat calls for cooling, the contactor closes its contacts to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons a Carrier packaged unit will not respond to a cooling call. Symptoms include the outdoor unit not energizing at all, audible chattering or buzzing at the contactor, or visibly pitted and burned contact points that prevent reliable circuit closure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole contactor | 24V AC coil voltage | 30–40A contact rating | Direct OEM replacement for part number HN53CB115 | Factory-matched contact material and coil pull-in voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit uses factory-specified contact alloy and coil winding. Generic contactors frequently use lower-grade contact surfaces that pit faster under compressor inrush current, leading to premature failure within one to two seasons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Line-voltage terminals remain dangerous — confirm zero voltage with a meter before touching any conductors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before our daily cutoff ship the same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC4850C50AJ04061\u003c\/strong\u003e packaged unit. Verify the existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. If you are unsure of fitment, our parts specialists are available to confirm compatibility before you purchase. In stock and ready to ship today — get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909839376755,"sku":"CARRIE-C4850C50AJ04061-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909839409523,"sku":"CARRIE-C4850C50AJ04061-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_494fb31d-41f3-451d-8dbc-05ac6c855567.jpg?v=1782899031","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50aj04061-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}