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OEM Carrier 2-Pole 40A 24V Coil Definite Purpose Contactor for C50A202751 — Ships Today
Carrier

OEM Carrier 2-Pole 40A 24V Coil Definite Purpose Contactor for C50A202751 — Ships Today

SKU: CARRIE-C50A202751-CONTACTOR-HN53CB115 Brand: Carrier
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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil 40A for Model C50A202751

This OEM replacement contactor is the factory-specified part for the Carrier C50A202751 packaged unit. The contactor is a high-voltage relay that bridges your 24V control circuit to the 240V power supply, energizing the compressor and condenser fan motor every time your thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the result is an AC unit that hums but won't start, trips the breaker repeatedly, or simply does nothing when the thermostat calls for cool. Replaces OEM part numbers HN53CB115, HN53CD115, and HN53HF122.

  • Specs: 2-pole configuration | 24V AC coil voltage | 40A contact rating | Direct OEM drop-in replacement | Matches factory wiring footprint exactly
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic contactors often use lower-grade alloys that pit and arc prematurely, leading to repeat failures within one to two seasons.
  • Install Difficulty: 2/5 — Always disconnect power at the breaker and verify zero voltage with a multimeter before beginning work. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals to ensure correct reinstallation.
  • Warranty: Backed by a 1-year OEM factory warranty. Orders placed before our daily cutoff ship same business day from our warehouse.

Compatibility: Designed for Carrier model C50A202751 commercial packaged units. Cross-references OEM part numbers HN53CB115, HN53CD115, and HN53HF122. Verify coil voltage and pole configuration on your unit's data plate before ordering. Our parts specialists are available to confirm fitment — order with confidence and get your system back online 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 C50A202751 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C50A202751 — Ships Today. 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 C50A202751 — Ships Today?
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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