{"product_id":"carrier-contactor-c50a306021","title":"OEM Carrier Contactor C50A306021 for Model C50A306021 HVAC Part","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Contactor C50A306021 for Model C50A306021 HVAC Part\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier contactor (C50A306021) is the heavy-duty switch responsible for sending line voltage to your compressor and condenser fan motor whenever cooling is requested. A thermostat signal energizes the coil, snapping the contacts shut to start the outdoor unit and opening them again to safely halt power between cycles. When the contacts burn, weld, or chatter, the result is a no-start condition, loud buzzing, or short cycling — classic signs a contactor has failed. Built to the exact original specifications of Carrier model C50A306021, this replacement provides the correct coil voltage, contact rating, and pole count for a precise factory fit. The installation is a moderate DIY task: shut off power at the disconnect, take a photo of the existing connections, and transfer the wires one terminal at a time. Choosing the authentic OEM part safeguards your warranty and ensures long-term reliability. This contactor is in stock and ready to ship. Order before 3PM CST and it goes out the same day.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model C50A306021.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62964652310899,"sku":"carrier-contactor-c50a306021","price":44.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-contactor-c50a306021","provider":"National HVAC Parts","version":"1.0","type":"link"}