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OEM Carrier 2-Pole Contactor 40A 24V for TCHC0250HEFMRAF531
Carrier

OEM Carrier 2-Pole Contactor 40A 24V for TCHC0250HEFMRAF531

SKU: CARRIE-TCHC0250HEFMRAF531-CONTACTOR-HN52TC040 Brand: Carrier
✓ Guaranteed to fit TCHC0250HEFMRAF531 — or your money back. Terms

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier 2-Pole Contactor 40 Amp 24V for Model TCHC0250HEFMRAF531

This OEM Carrier contactor (part number HN52TC040) is the factory-specified high-voltage relay for the Carrier TCHC0250HEFMRAF531 system. The contactor acts as the primary switching device between the 24V thermostat control signal and the high-voltage compressor and condenser fan circuits. When the thermostat calls for cooling, the 24V coil energizes, pulling in the contacts and delivering line voltage to your compressor and fan motor. A failed contactor is one of the most common reasons an air conditioning system hums at the outdoor unit but never starts — or fails to respond to the thermostat entirely.

  • Specs: 2-Pole | 40 FLA (Full Load Amps) | 24V 50/60Hz Coil | OEM Part Number HN52TC040 | Factory drop-in replacement
  • OEM vs Generic: This is a genuine Carrier OEM contactor, manufactured to exact factory tolerances. Generic contactors may have undersized contacts that arc and pit prematurely under high-load cycling, leading to repeat failures within one season.
  • Install difficulty: 2/5 — Always disconnect power at the breaker and confirm voltage is absent with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting the old unit. The contactor is typically located in the electrical compartment of the outdoor condenser.
  • Warranty: 1-year OEM factory warranty. Orders placed before cutoff ship the same business day from our warehouse.

Compatibility: Engineered for the Carrier model TCHC0250HEFMRAF531. Verify your existing contactor's pole count, amperage rating, and coil voltage on the unit's data plate or wiring diagram before ordering. Our technical team is available to confirm fitment — reach out before you buy if you have any questions. In-stock and ready to ship today.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $99
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Contactor fit my Carrier TCHC0250HEFMRAF531?
Yes. This is the factory-specified OEM contactor for the Carrier TCHC0250HEFMRAF531. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the contactor on my Carrier TCHC0250HEFMRAF531?
Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Open condensing unit panel. Step 3: Photograph ALL wiring on the contactor. Step 4: Label each wire with tape. Step 5: Disconnect wires and remove old contactor. Step 6: Mount new contactor, reconnect wires matching your photo. Step 7: Restore power and test.
My AC clicks but the compressor won’t turn on. What’s wrong?
Clicking from the outdoor unit without the compressor starting = worn contactor. The contactor sends power to the compressor. When its contacts are pitted, it clicks but can’t make solid contact. Look for: visible pitting/burn marks on the contactor face, intermittent operation, or buzzing.
Is this contactor compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier contactor?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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