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The Carrier HN52KC053 is the factory-specified 2-pole contactor for the Carrier 09DE164230 unit. The contactor serves as the high-voltage relay that connects line power to the compressor and condenser fan motor each time your thermostat calls for cooling. When this component fails — due to worn contacts, burned pitting, or a stuck/welded position — the unit will either refuse to start entirely, run continuously without shutting off, or trip the breaker repeatedly. Replacing a failed contactor is one of the most common and cost-effective HVAC repairs available.
Compatibility: Engineered as a direct OEM drop-in replacement for Carrier model 09DE164230. Always verify amperage, pole count, and coil voltage against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — no guesswork required.