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OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for C50A306011 — Ships Today
Carrier

OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for C50A306011 — Ships Today

SKU: CARRIE-C50A306011-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil 30A for Model C50A306011

This OEM contactor is the factory-specified replacement for the Carrier C50A306011 packaged rooftop unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when the thermostat calls for cooling, the contactor closes its contacts to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common causes of an air conditioning system that simply won't turn on, hums without starting, or experiences intermittent cooling loss. Pitted, burned, or stuck contacts are telltale signs it's time for a replacement.

  • Specs: 2-pole configuration | 24V AC coil voltage | 30A contact rating | Compatible OEM part numbers: HN53CB115, HN53CD115, HN53HF122 | Standard DIN-style mounting
  • OEM vs Generic: OEM contactors feature factory-spec contact material and coil windings, ensuring precise pull-in voltage and long service life. Generic contactors may use inferior contact alloys that pit faster under load, leading to premature failure and potential compressor damage.
  • Install difficulty: 3/5 — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before servicing. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor to ensure correct reinstallation.
  • Warranty: 1-year OEM factory warranty. Orders placed before cutoff ship the same business day from our stocked warehouse.

Compatibility: Designed for the Carrier C50A306011 commercial packaged rooftop unit. This contactor replaces OEM part numbers HN53CB115, HN53CD115, and HN53HF122. Always verify coil voltage and pole configuration against your unit's wiring diagram and data plate before ordering. Need help confirming fitment? Our HVAC parts specialists are standing by to verify the correct part for your equipment before you buy.

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

Frequently Asked Questions

Does this Contactor fit my Carrier C50A306011 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C50A306011 — 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 C50A306011 — 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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