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OEM Carrier Contactor 2-Pole 24V Coil for C50A203552
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C50A203552

SKU: CARRIE-C50A203552-CONTACTOR-HN53CB115 Brand: Carrier
✓ Guaranteed to fit C50A203552 — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model C50A203552

This OEM contactor is the factory-specified high-voltage relay for the Carrier C50A203552 packaged or commercial rooftop unit. The contactor acts as the primary switching device that allows 240V power to reach the compressor and condenser fan motor when the thermostat calls for cooling. A failed contactor is one of the most common reasons an air conditioning system appears completely dead — the thermostat calls, the air handler runs, but the outdoor unit never energizes. Pitting, burning, or welded contacts are telltale signs it's time for a replacement. Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120.

  • Specs: 2-Pole configuration | 24V AC coil voltage | Factory-rated amperage for compressor load | Direct OEM replacement with exact terminal layout and mounting footprint
  • OEM vs Generic: OEM contactors use silver-alloy contact tips engineered to Carrier's exact arc-suppression standards. Generic contactors often use lower-grade contact materials that pit faster under repeated cycling, leading to early failure and potential compressor damage.
  • Install difficulty: 2/5 — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor.
  • Warranty: 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our stocked warehouse.

Compatibility: Designed for the Carrier C50A203552 commercial packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Verify coil voltage and pole configuration on your unit's data plate before ordering. Our fitment specialists are available to confirm compatibility prior to purchase — same-day shipping ensures you're back up and running fast.

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 C50A203552?
Yes. This is the factory-specified OEM contactor for the Carrier C50A203552. 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 C50A203552?
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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