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OEM Carrier Contactor 2-Pole 24V Coil for C50A305063
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C50A305063

SKU: CARRIE-C50A305063-CONTACTOR-HN53CD115 Brand: Carrier
✓ Guaranteed to fit C50A305063 — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor for Model C50A305063 Packaged Unit

This is the factory-specified OEM replacement contactor for the Carrier C50A305063 packaged rooftop unit. The contactor is a high-voltage relay controlled by your thermostat's 24V signal — when the call for cooling arrives, the contactor closes and delivers line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system refuses to turn on, chatters loudly, or drops out mid-cycle. Replaces OEM part numbers HN53CD115 and HN53HF122.

  • Specs: 2-pole configuration | 24V AC coil voltage | Heavy-duty contacts rated for compressor load | Direct OEM replacement per factory spec — verify amperage on your unit's data plate before ordering
  • OEM vs Generic: OEM contactors use silver-alloy contact tips that resist pitting and arcing far longer than generic brass contacts. Cheap aftermarket contactors are a leading cause of premature compressor failure due to voltage drop across worn contacts.
  • Install difficulty: 3/5 — Always shut off power at both the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and a camera to photograph existing wiring. Line-voltage terminals must be fully discharged before handling. If uncomfortable working with 240V wiring, contact a licensed HVAC technician.
  • Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered as a direct OEM replacement for the Carrier C50A305063 packaged commercial unit. This listing covers both superseded part numbers HN53CD115 and HN53HF122 — both are the same compatible contactor. Confirm coil voltage and pole configuration on your unit's wiring diagram or data plate before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility 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 $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 C50A305063?
Yes. This is the factory-specified OEM contactor for the Carrier C50A305063. 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 C50A305063?
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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