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This OEM Carrier contactor (part number HN52KC025) is the factory-specified high-voltage relay for the Carrier PY1PPA030080ACBA packaged unit. The contactor acts as the primary switching device that routes 240V power to the compressor and condenser fan motor whenever the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the unit will fail to energize, hum without starting, or run continuously without shutting off.
Compatibility: Designed as a direct OEM replacement for the Carrier PY1PPA030080ACBA packaged unit. Always cross-reference the pole count, coil voltage, and ampacity rating on your existing contactor's data label before ordering. Our fitment team is available to verify compatibility prior to purchase — order with confidence.