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OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50AJ03061
Carrier

OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50AJ03061

SKU: CARRIE-C4850C50AJ03061-CONTACTOR-HN53CB115 Brand: Carrier
✓ Guaranteed to fit C4850C50AJ03061 — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor HN53CB115 for Model C4850C50AJ03061

This is the factory OEM replacement contactor (part number HN53CB115) for the Carrier C4850C50AJ03061 packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to send line voltage to the compressor and condenser fan motor. When the contactor fails, the most common symptoms are an air conditioner that won't turn on at all, a unit that hums but the compressor never starts, or pitted/burned contacts causing intermittent cooling loss. Replacing a worn contactor is one of the highest-value DIY repairs in HVAC service.

  • Specs: 2-pole configuration | 24V AC coil voltage | 30–40A contact rating | Direct OEM replacement for part number HN53CB115 | Factory-matched contact material and coil pull-in voltage
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated for hundreds of thousands of cycles. Generic alternatives frequently use lower-grade alloys that pit and weld closed prematurely, causing compressors to run continuously and burn out.
  • Install difficulty: 2/5 — Always shut off power at the disconnect box AND the breaker panel before servicing. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, non-contact voltage tester. Photograph all wiring before removing the old contactor. Transfer wires one at a time to the new unit to avoid miswiring.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed by 3 PM local time ship same business day from our climate-controlled warehouse.

Compatibility: Engineered specifically for the Carrier C4850C50AJ03061 packaged unit. Verify coil voltage and pole configuration on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you purchase — contact us with your model and serial number.

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 C4850C50AJ03061?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50AJ03061. 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 C4850C50AJ03061?
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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