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This OEM replacement contactor is the factory-specified part for the Carrier C50A502562 packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to send line-voltage power to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or a stuck-open plunger — the result is an air conditioner that won't turn on, fails to cool, or trips the breaker repeatedly. Replaces OEM part numbers HN53CB115 and HN53CD115.
Compatibility: Designed for the Carrier C50A502562 packaged unit. Cross-references OEM part numbers HN53CB115 and HN53CD115. Verify your unit's data plate voltage and amperage ratings before installation. Not sure it fits? Our HVAC parts specialists confirm fitment before you order — no guesswork, no returns.