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OEM Carrier 2-Pole 24V Coil Contactor for C4850C50AK05011 — Ships Today
Carrier

OEM Carrier 2-Pole 24V Coil Contactor for C4850C50AK05011 — Ships Today

SKU: CARRIE-C4850C50AK05011-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 C4850C50AK05011

This OEM replacement contactor is the factory-specified part for the Carrier C4850C50AK05011 packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat or control board and closes the circuit to energize the compressor and condenser fan motor. When the contactor fails — due to worn, pitted, or fused contacts — the most common symptoms are an air conditioner that won't turn on, a system stuck in the "on" position (contacts welded shut), or a loud chattering/buzzing sound from the contactor coil. Replacing a failed contactor promptly prevents compressor damage and costly downstream repairs.

  • Specs: 2-pole configuration | 24V AC coil voltage | Factory-rated ampacity for Carrier packaged unit application | OEM part numbers HN53CB115 and HN53HF122 — verify your existing part number before ordering
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated for the exact cycle life and current load of your Carrier unit. Generic aftermarket contactors frequently use lower-grade contact materials that pit and fail prematurely, risking compressor burnout.
  • Install difficulty: 3/5 — Requires disconnecting line-voltage power at the disconnect box and verifying zero voltage with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and a smartphone to photograph existing wiring. Always label and photograph all wire connections before removal.
  • Warranty: 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our climate-controlled warehouse.

Compatibility: Engineered for the Carrier C4850C50AK05011 packaged unit. Cross-references OEM part numbers HN53CB115 and HN53HF122. Confirm your existing part number or unit data plate specifications before ordering. Our HVAC parts specialists are available to verify 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 C4850C50AK05011 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50AK05011 — 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 C4850C50AK05011 — 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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