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OEM Carrier Contactor 2-Pole 24V Coil for C50A302011
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C50A302011

SKU: CARRIE-C50A302011-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model C50A302011

This OEM contactor is the factory-specified replacement for the Carrier C50A302011 commercial packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when energized, it closes the circuit to power the compressor and condenser fan motor. A failed contactor is one of the most common causes of a packaged unit that powers on but won't cool: you may hear a click with no compressor start, notice pitted or burned contacts on inspection, or find the unit completely unresponsive to cooling calls.

  • Specs: 2-pole configuration | 24V AC coil voltage | Heavy-duty contact rating matched to factory specifications | OEM part number HN53CB115
  • OEM vs Generic: This OEM contactor (HN53CB115) uses factory-grade silver-alloy contacts rated for the exact load profile of the C50A302011. Generic contactors often feature undersized contacts that arc and pit prematurely, leading to repeat failures and potential compressor damage.
  • Install difficulty: 3/5 — Requires full system lockout/tagout before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, insulated gloves. Always photograph all high-voltage wiring connections before disconnecting, and verify coil voltage at the thermostat circuit before condemning the contactor.
  • Warranty: 1-year OEM factory warranty. In-stock units ship same business day from our climate-controlled warehouse.

Compatibility: Designed as a direct OEM replacement for the Carrier C50A302011 commercial packaged unit. Cross-references to OEM part number HN53CB115. Verify pole count, coil voltage, and amperage rating on your unit's data plate prior to 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 $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 C50A302011?
Yes. This is the factory-specified OEM contactor for the Carrier C50A302011. 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 C50A302011?
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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