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OEM Carrier 2-Pole Contactor 24V Coil 30A for C50A302051 — Ships Today
Carrier

OEM Carrier 2-Pole Contactor 24V Coil 30A for C50A302051 — Ships Today

SKU: CARRIE-C50A302051-CONTACTOR-HN53CB115 Brand: Carrier
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Texas CMBL #19328542014
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OEM Carrier 2-Pole Contactor 24V Coil 30A for Model C50A302051

This OEM contactor is the factory-specified replacement for the Carrier C50A302051 packaged unit. The contactor is a high-voltage relay controlled by the 24V signal from your thermostat or control board. When the thermostat calls for cooling, the contactor closes 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 powers on but fails to cool — symptoms include a humming contactor that won't pull in, pitted or burned contacts, or a system that runs continuously without cycling off.

  • Specs: 2-pole configuration | 24V AC coil voltage | 30A contact rating | Compatible OEM part numbers: HN53CB115, HN53CD115, HN53HF122 | Factory-matched contact material and coil sensitivity
  • OEM vs Generic: OEM contactors use factory-grade silver-alloy contacts rated for thousands of switching cycles. Generic contactors frequently use lower-grade contact materials that pit and weld prematurely, leading to repeat failures and potential compressor damage.
  • Install difficulty: 3/5 — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wire labels. Photograph all wiring connections before removal. Line-voltage terminals carry 208–240V — exercise extreme caution.
  • Warranty: 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Fits Carrier model C50A302051 commercial packaged units. Cross-references OEM part numbers HN53CB115, HN53CD115, and HN53HF122. Verify pole count, coil voltage, and amperage rating on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us before placing your order.

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 $99
  • 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 C50A302051 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C50A302051 — 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 C50A302051 — 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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Mike Rivera
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