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Carrier

OEM Carrier Contactor C50A304012 for Model C50A304012 HVAC Part

SKU: carrier-contactor-c50a304012 Brand: Carrier
$39.95

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

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OEM Carrier Contactor C50A304012 for Model C50A304012 HVAC Part

The Carrier C50A304012 contactor is a genuine OEM relay responsible for switching line voltage to your air conditioner's compressor and condenser fan motor. When the thermostat signals for cooling, its 24-volt control coil energizes and closes the contacts, powering the outdoor unit; when cooling stops, the contacts open. Repeated switching eventually pits the contacts and weakens the coil, causing common failures such as a humming or chattering unit, hard starts, or a compressor that won't run. This direct-replacement contactor is built to Carrier's original specifications — matching amperage, pull-in voltage, and terminal arrangement — for an exact fit on model C50A304012. A trained technician can replace it in roughly 15 to 20 minutes by opening the disconnect, photographing the wiring for reference, moving each lead to its matching terminal, and mounting the unit on the existing bracket. Only basic hand tools are needed for the job. Always verify the disconnect is open and capacitors are discharged before starting. Order before 3PM CST and this contactor ships the same day to get your system cooling again fast.

Compatibility

This part is compatible with Carrier model C50A304012.

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 C50A304012 HVAC Part?
Yes. This is the factory-specified OEM contactor for the Carrier Model C50A304012 HVAC Part. 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 C50A304012 HVAC Part?
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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