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OEM Carrier 2-Pole 24V Coil Definite Purpose Contactor for C4850C50AY06011 | National HVAC Parts
Carrier

OEM Carrier 2-Pole 24V Coil Definite Purpose Contactor for C4850C50AY06011 | National HVAC Parts

SKU: CARRIE-C4850C50AY06011-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor for Model C4850C50AY06011 — Replaces HN53CB115 / HN53HF122

This OEM contactor is the factory-specified high-voltage relay for the Carrier C4850C50AY06011 packaged unit. The contactor acts as the primary switching device that closes the high-voltage circuit to the compressor and condenser fan motor when the thermostat calls for cooling. A failed contactor is one of the most common reasons a packaged HVAC unit will not respond to a cooling call — symptoms include the unit failing to start, a buzzing or chattering sound from the control panel, or visible pitting and burning on the contact points. Replacing a worn contactor promptly prevents secondary damage to the compressor and fan motor.

  • Specs: 2-pole configuration | 24V coil voltage | Factory-rated amperage for Carrier packaged unit application | Direct OEM replacement for part numbers HN53CB115 and HN53HF122
  • OEM vs Generic: This is a genuine OEM Carrier contactor manufactured to exact factory specifications. Generic aftermarket contactors may use lower-grade contact materials that pit faster, exhibit coil voltage variance, and fail prematurely — especially under high-cycle commercial or rooftop conditions.
  • Install difficulty: 3/5 — Requires disconnecting power at the disconnect box and verifying zero voltage with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wire labels or tape. Photograph all wiring connections before removal. High-voltage terminals are present — if uncertain, consult a licensed HVAC technician.
  • Warranty: 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Engineered specifically for the Carrier C4850C50AY06011 packaged unit. This part directly supersedes OEM part numbers HN53CB115 and HN53HF122. Always confirm coil voltage and pole configuration against your unit's wiring diagram and data plate before ordering. Our parts specialists are available to verify fitment — contact us before you order if you have any questions.

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 C4850C50AY06011 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50AY06011 | National HVAC Parts. 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 C4850C50AY06011 | National HVAC Parts?
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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