OEM Carrier 2-Pole Contactor 40 Amp 24V Coil (HN52TC040) for Model TCHC2550HECMRAP101

This is the factory OEM replacement contactor for the Carrier TCHC2550HECMRAP101 heat pump and cooling system. The contactor is the critical high-voltage relay that receives a 24V signal from the thermostat and closes to send line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — your system will not respond to a call for cooling or heating. Common symptoms include the outdoor unit failing to start, buzzing or chattering at the contactor, or the system running continuously without cycling off.

• Specs: 2-pole | 40A FLA (Full Load Amps) | 24V 50/60Hz coil voltage | 240/277V load voltage | OEM part number HN52TC040
• OEM vs Generic: This is a genuine Carrier OEM contactor engineered to exact factory specifications. Generic contactors often use lower-grade contact materials that pit and oxidize faster, leading to premature failure and potential compressor damage.
• Install difficulty: 2/5 — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor.
• Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Directly fits the Carrier model TCHC2550HECMRAP101. Always verify the existing contactor's pole count, amperage, and coil voltage against your unit's data plate before ordering. Our technical team is available to confirm fitment — contact us before you order if you have any questions. In stock and ready to ship today.