OEM Carrier Contactor 2-Pole 24V Coil for Model TCHC2550HECMRAY102

This is the OEM factory-specified contactor for the Carrier TCHC2550HECMRAY102 system, sold under OEM part number HN52TC040. The contactor is the high-voltage switching relay that connects utility power to the compressor and condenser fan motor every time a cooling call is made. When it fails — due to pitted contacts, a burned coil, or a stuck plunger — the result is an outdoor unit that refuses to energize, hums without starting, or runs continuously even with no thermostat call.

• Specs: 2-pole configuration | 24V control coil | Factory-rated ampacity to match compressor load on TCHC2550HECMRAY102 | Direct OEM drop-in replacement for HN52TC040
• OEM vs Generic: This OEM contactor uses silver-alloy contact tips rated to Carrier's exact factory specification. Aftermarket units often use lower-grade contacts that arc and pit faster under high-inrush compressor loads, leading to premature failure and potential compressor damage.
• Install Difficulty: 3/5 — Work must be performed with the disconnect pulled and capacitor discharged. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Always photograph all wiring connections before removal. Verify coil voltage at the thermostat terminals before condemning the contactor.
• Warranty: 1-year OEM factory warranty. In-stock units ship same business day when ordered before cutoff.

Compatibility: Engineered specifically for the Carrier TCHC2550HECMRAY102. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering to ensure proper fit. Our fitment team is available to confirm compatibility before you buy — no guesswork required. Order today and get back up and running fast with same-day shipping from NationalHVACParts.com.