{"product_id":"carrier-c4850c50aj04161-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil HN53CB115 for C4850C50AJ04161 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor HN53CB115 for Model C4850C50AJ04161\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C4850C50AJ04161\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that closes when the thermostat sends a 24V signal, allowing line voltage to energize the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the system will either fail to start entirely, run continuously without shutting off, or produce a loud chattering or buzzing noise from the electrical cabinet.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Heavy-duty contact rating matched to factory specs | Direct OEM replacement for part number HN53CB115\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor is manufactured to Carrier's exact electrical tolerances. Aftermarket contactors often use lighter-gauge contact material that pits and burns faster, leading to premature failure and potential compressor damage from voltage drop across worn contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always shut off power at the disconnect and breaker panel before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, and a multimeter to verify coil resistance and confirm de-energized state. Photograph all wiring connections before removal.\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 3 PM ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eC4850C50AJ04161\u003c\/strong\u003e packaged unit. 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 — contact us and we'll confirm compatibility within one business day.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909836591475,"sku":"CARRIE-C4850C50AJ04161-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909836624243,"sku":"CARRIE-C4850C50AJ04161-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_11675d8c-7985-4155-9cde-0e0e5bce22a1.jpg?v=1782905014","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50aj04161-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}