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This OEM contactor is the factory-specified high-voltage relay for the Carrier C48A504061 packaged unit. The contactor acts as the critical switching device between your thermostat's 24V control signal and the high-voltage power supplied to the compressor and condenser fan motor. When the contactor fails — due to pitted or burned contacts, a welded contact face, or a failed coil — the system will either refuse to turn on entirely, run continuously without shutting off, or trip the breaker repeatedly. Replaces OEM part numbers HN53CB115, HN53CD115, and HN53HF122.
Compatibility: Designed as a direct OEM replacement for the Carrier C48A504061 packaged unit. Cross-references OEM part numbers HN53CB115, HN53CD115, and HN53HF122 — verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our technical team is available to confirm fitment prior to purchase. Order today and take advantage of same-day shipping on all in-stock HVAC parts.