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OEM Carrier Contactor 2-Pole 24V Coil for C50A505052
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C50A505052

SKU: CARRIE-C50A505052-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model C50A505052

This OEM contactor is the factory-specified high-voltage relay for the Carrier C50A505052 commercial packaged unit. The contactor acts as the primary switching device that closes the 240V power circuit to the compressor and condenser fan motor whenever the thermostat calls for cooling. A failed contactor is one of the most common causes of a system that won't turn on — symptoms include the outdoor unit humming without starting, pitted or burned contact points, or the unit failing to energize altogether despite the thermostat calling for cooling.

  • Specs: 2-Pole configuration | 24V coil voltage | High-amperage contact rating | Direct OEM replacement — replaces part numbers HN53CB115, HN53HF122, and HN53HG120
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated to factory arc-interruption specs. Generic contactors frequently use lower-grade contacts that pit faster under load, leading to premature failure and potential compressor damage.
  • Install difficulty: 2/5 — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Always photograph all wiring connections before removing the old contactor. Transfer one wire at a time to the new unit 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 C50A505052 packaged unit. This listing covers three OEM part numbers (HN53CB115, HN53HF122, HN53HG120) — all are factory-authorized replacements for this application. Verify coil voltage and pole configuration on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you buy — no guesswork.

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 $75
  • 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 C50A505052?
Yes. This is the factory-specified OEM contactor for the Carrier C50A505052. 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 C50A505052?
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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Mike Rivera
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