{"product_id":"carrier-contactor-c50a503511","title":"OEM Carrier Contactor Replacement C50A503511 for Model C50A503511","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Contactor Replacement C50A503511 for Model C50A503511\u003c\/h1\u003e\n\u003cp\u003eKeep your system cooling reliably with this genuine OEM Carrier contactor (C50A503511), the heavy-duty switch that connects line voltage to the compressor and condenser fan motor on a cooling demand. The contactor coil energizes from a low-voltage thermostat signal, pulling the contacts closed to power these high-draw components. As contacts arc and erode over time, you may notice no-cooling, buzzing, hard starts, or a unit that won't cycle off. Designed as a direct OEM replacement for Carrier model C50A503511, it preserves the original coil voltage, pole configuration, and current rating for safe, proper operation. Installation is moderate and DIY-friendly for those comfortable with line-voltage wiring: disconnect power at the breaker and disconnect box, transfer wires one at a time to maintain correct connections, and fasten the new contactor. Plan on 20-30 minutes with a screwdriver and nut driver, and always confirm power is off first. OEM build quality ensures crisp switching and long life. In stock now and shipping same-day on orders before 3PM CST.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model C50A503511.\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":62964094632307,"sku":"carrier-contactor-c50a503511","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-contactor-c50a503511","provider":"National HVAC Parts","version":"1.0","type":"link"}