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This OEM contactor is the factory-specified replacement for the Carrier CP50P350P303011CP packaged unit. The contactor acts as a high-voltage relay, receiving a 24V signal from the thermostat or control board to close its contacts and deliver line voltage to the compressor and condenser fan motor. When it fails — due to pitted contacts, a burned coil, or stuck contacts — your system will either refuse to start, run continuously without shutting off, or trip the breaker repeatedly.
Compatibility: Designed as a direct OEM replacement for Carrier CP50P350P303011CP packaged units using OEM part number HN53CD115. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our fitment specialists are available to confirm compatibility before you buy — same-day shipping means you're back up and running fast.