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Carrier

OEM Carrier Contactor C50A202551 for Model C50A202551

SKU: carrier-contactor-c50a202551 Brand: Carrier
$49.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Carrier Contactor C50A202551 for Model C50A202551

The genuine OEM Carrier contactor C50A202551 is the electromechanical switch that controls power to your HVAC system's compressor and outdoor fan motor. When your thermostat calls for cooling, the coil energizes and closes the contacts, sending line voltage to the condensing unit. As the contacts wear from constant switching, they pit and arc, causing no-cool conditions, intermittent operation, or a persistent chattering noise — all symptoms corrected by this OEM replacement. Built to Carrier's precise factory specifications, the C50A202551 is designed for compatibility with Carrier model C50A202551, ensuring the correct coil voltage, contact rating, and physical fit. Installation is a moderate DIY task: shut off power at the disconnect, photograph the wiring for reference, move the leads one at a time to the new contactor, and mount it securely in the control box. Most homeowners and technicians complete the job in 20 to 30 minutes. Order before 3PM CST and your contactor ships same-day to minimize downtime. Always confirm power is off at the disconnect before performing electrical work.

Compatibility

This part is compatible with Carrier model C50A202551.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Contactor fit my Carrier Model C50A202551?
Yes. This is the factory-specified OEM contactor for the Carrier Model C50A202551. 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 Model C50A202551?
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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