OEM Carrier 2-Pole Contactor 24V Coil for Model CP50P250P204021CP
This OEM replacement contactor (part number HN53CD115) is the factory-specified high-voltage relay for the Carrier CP50P250P204021CP packaged unit. The contactor serves as the critical switching device between your thermostat's 24V control signal and the high-voltage power supply to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, burned coil, or a stuck plunger — the system will either refuse to start entirely, run continuously without shutting off, or trip the breaker repeatedly.
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Specs: 2-pole configuration | 24V coil voltage | Factory-rated amperage for Carrier CP50P250P204021CP | OEM part number HN53CD115 | Replaces worn, pitted, or welded contacts
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OEM vs Generic: This OEM contactor is manufactured to Carrier's exact coil pull-in voltage and contact gap tolerances. Generic contactors frequently use thinner contact plating, leading to premature arcing, voltage drop, and compressor damage over time.
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Install Difficulty: 3/5 — Always shut off power at the disconnect box AND the breaker panel before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" and 5/16" nut drivers, needle-nose pliers, multimeter. Photograph all high-voltage wiring connections before removal. Verify coil voltage with a multimeter prior to installation.
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Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship the same business day from our warehouse.
Compatibility: Designed and tested for the Carrier CP50P250P204021CP packaged unit. Cross-reference OEM part number HN53CD115 against your unit's data plate to confirm amperage rating and pole configuration before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you complete your purchase — no guesswork, no returns.