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This OEM replacement contactor is the factory-specified part for the Carrier C4850C50Z3060100 packaged or split-system unit. The contactor acts as the primary high-voltage relay in your HVAC system — when the thermostat calls for cooling, the 24V control board energizes the contactor coil, closing the contacts to supply line voltage to the compressor and condenser fan motor. A failed or worn contactor is one of the most common causes of an air conditioner that won't start, hums constantly, or runs intermittently. Pitted, burned, or stuck contacts are clear signs it's time to replace. This listing covers OEM part numbers HN53CB115 and HN53HF122.
Compatibility: Designed specifically for the Carrier C4850C50Z3060100 unit. Cross-references OEM part numbers HN53CB115 and HN53HF122. Always confirm pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our HVAC parts specialists are available to verify fitment — order with confidence and get your system back online fast.