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OEM Carrier 2-Pole Contactor 40A 24V for TCHC2550HECMRAH102
Carrier

OEM Carrier 2-Pole Contactor 40A 24V for TCHC2550HECMRAH102

SKU: CARRIE-TCHC2550HECMRAH102-CONTACTOR-HN52TC040 Brand: Carrier
✓ Guaranteed to fit TCHC2550HECMRAH102 — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier 2-Pole Contactor 40 Amp 24V Coil — HN52TC040 for Model TCHC2550HECMRAH102

This is the factory OEM replacement contactor for the Carrier TCHC2550HECMRAH102 heat pump system. The contactor is the high-voltage relay that the thermostat's 24V control signal energizes to switch line voltage power to the compressor and condenser fan motor. When a contactor fails, the system may hum and do nothing, fail to respond to a call for cooling or heating, or trip the breaker repeatedly due to worn or pitted contacts that arc under load.

  • Specs: 2-Pole | 40A FLA (Full Load Amps) | 24V AC 50/60Hz Coil | 240/277V load voltage | OEM Part Number HN52TC040 — factory-matched for direct drop-in installation
  • OEM vs Generic: OEM Carrier contactors are manufactured to exact pole spacing, coil impedance, and contact material specifications. Generic substitutes frequently use thinner contact silver alloy, leading to premature pitting, coil burn-out, and nuisance lockouts within one to two seasons.
  • Install Difficulty: 2/5 — Always shut off power at the disconnect and breaker before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph or label all wires before removal. Verify coil draws to 24V with a multimeter before condemning the part.
  • Warranty: 1-year OEM factory warranty. In-stock orders ship same business day from our warehouse.

Compatibility: Directly replaces OEM part number HN52TC040 as installed on the Carrier TCHC2550HECMRAH102 heat pump. Confirm your unit's data plate shows a 2-pole, 40A contactor with a 24V coil before ordering. Our parts specialists are available to verify fitment prior to purchase — order today and get same-day shipping.

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 TCHC2550HECMRAH102?
Yes. This is the factory-specified OEM contactor for the Carrier TCHC2550HECMRAH102. 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 TCHC2550HECMRAH102?
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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