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This is the genuine OEM Carrier contactor (part number HN52KC024), the factory-specified high-voltage switching relay for the Carrier 09BY012N601 system. The contactor is the critical component that closes the high-voltage circuit to power the compressor and condenser fan motor each time the thermostat calls for cooling. When a contactor fails, symptoms include the outdoor unit failing to energize, audible chattering or buzzing at the contactor, burnt or pitted contact points, or the system running continuously without shutting off.
Compatibility: Designed for Carrier model 09BY012N601. Verify the 2-pole, 30A, 24V coil specification against your unit's data plate and existing contactor label before ordering. Cross-references include Carrier universal contactor applications across compatible AC, heat pump, and packaged unit platforms. Our HVAC parts specialists are available to confirm fitment before you order — no guesswork required.