OEM Carrier 2-Pole Contactor 40 Amp 24V for Model TCHC0250HEFMRAF622

This is the genuine OEM Carrier contactor (part number HN52TC040), factory-specified for the Carrier TCHC0250HEFMRAF622 system. The contactor is the high-voltage relay at the heart of your condensing unit — when the thermostat calls for cooling or heating, the 24V control board energizes the contactor coil, pulling in the contacts and delivering line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common causes of a system that runs continuously, won't turn on at all, or hums without starting. Pitted or burned contacts and a weak coil are the telltale signs it's time to replace.

• Specs: 2-Pole | 40 FLA (Full Load Amps) | 24V 50/60Hz coil voltage | Definite purpose contactor | Direct OEM drop-in replacement for part number HN52TC040
• OEM vs Generic: Genuine Carrier OEM contactors are wound and rated to exact factory specifications, ensuring proper coil pull-in voltage and contact life. Generic contactors often use lower-grade contact materials that pit and weld faster under compressor inrush current loads.
• Install Difficulty: 2/5 — Shut off power at the disconnect and breaker before opening the unit. Photograph all wiring before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, and a multimeter to verify 24V coil signal. Label wires L1, L2, T1, T2 before disconnecting. Standard repair time: 30–45 minutes.
• Warranty: 1-year OEM factory warranty. Ships same business day from our climate-controlled warehouse when ordered before cutoff.

Compatibility: Engineered as the factory replacement for the Carrier model TCHC0250HEFMRAF622. Always verify your existing contactor's pole count, amp rating, and coil voltage against the data plate inside your unit's electrical access panel before ordering. Our HVAC parts specialists are available to confirm fitment — reach out before you order and we'll make sure you get the right part the first time. Order now and get same-day shipping on all in-stock parts.