Same-day shipping on orders before 3PM CST · 15,000+ OEM Parts In Stock · Carrier · Bryant · ICP · Heil · Tempstar
Track Order | 1-800-NHP-HVAC | Trade Accounts

Menu

Home Shop All Account Cart
Home / OEM Carrier Contactor C50A304011 for ...

IMAGE COMING SOON

Carrier

OEM Carrier Contactor C50A304011 for Model C50A304011 HVAC Part

SKU: carrier-contactor-c50a304011 Brand: Carrier
$39.95

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

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

OEM Carrier Contactor C50A304011 for Model C50A304011 HVAC Part

The Carrier C50A304011 contactor is a genuine OEM power switch that controls high-voltage current to the compressor and outdoor fan motor in your cooling system. A 24V signal from the thermostat energizes the coil, snapping the contacts closed to start the condenser on each cooling call. Years of cycling wear the contacts and coil, producing the most common outdoor-unit complaints: loud buzzing, chattering, intermittent operation, hard starts, or a unit that won't energize at all. This exact-fit OEM replacement is made to Carrier's original specifications for contact amperage, coil voltage, and terminal positioning, so it installs cleanly on model C50A304011 with no rewiring guesswork. For a qualified HVAC technician, the swap takes about 15 to 20 minutes — open the disconnect, photograph the wire layout, transfer leads one at a time, and fasten the new contactor to the original bracket using standard hand tools. Be sure power is disconnected and capacitors are discharged before you begin. Order before 3PM CST and your contactor ships same-day, minimizing system downtime and restoring reliable cooling quickly.

Compatibility

This part is compatible with Carrier model C50A304011.

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 C50A304011 HVAC Part?
Yes. This is the factory-specified OEM contactor for the Carrier Model C50A304011 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 C50A304011 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.
Home Shop Search Account Cart