OEM Carrier 2-Pole Contactor 40 Amp 24V Coil for Model TCHC2550HECMRAY601

This OEM contactor (part# HN52TC040) is the factory-specified high-voltage relay for the Carrier TCHC2550HECMRAY601 system. The contactor acts as the primary switching device that energizes the compressor and condenser fan when the thermostat calls for cooling or heating. When the 24V control circuit sends a signal, the contactor's coil pulls in the contacts, completing the high-voltage circuit to start the compressor. A failed contactor is one of the most common reasons an HVAC system hums at the outdoor unit but the compressor won't start — or the system fails to respond to thermostat calls entirely. Pitted, burned, or stuck contacts are telltale signs it's time to replace.

• Specs: 2-Pole | 40A Full Load Amps (FLA) | 24V 50/60Hz Coil | 240/277V Load Voltage | OEM Part# HN52TC040
• OEM vs Generic: This is a genuine Carrier OEM contactor, manufactured to exact factory tolerances. Generic contactors may have undersized contact surfaces and lower-grade coil windings — increasing the risk of premature pitting, coil burnout, and nuisance lockouts.
• Install Difficulty: 2/5 — Always disconnect power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Swap wires one at a time to avoid miswiring.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered as a direct OEM replacement for the Carrier TCHC2550HECMRAY601. Always verify your unit's data plate amperage and coil voltage specifications before ordering. Need help confirming fitment? Our HVAC parts specialists are ready to assist before you order — call or chat today.