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OEM Carrier Contactor 2-Pole 24V Coil for C4850C50Z6105610 | National HVAC Parts
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C4850C50Z6105610 | National HVAC Parts

SKU: CARRIE-C4850C50Z6105610-CONTACTOR-HN53CB115 Brand: Carrier
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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50Z6105610

This OEM contactor is the factory-specified high-voltage relay replacement for the Carrier C4850C50Z6105610 packaged unit. The contactor acts as the primary switching device that closes the high-voltage circuit to the compressor and condenser fan motor whenever the thermostat calls for cooling. When the contactor fails — due to worn or pitted contacts, a burned coil, or a stuck plunger — the system will either fail to start entirely, run continuously without responding to the thermostat, or exhibit erratic cycling behavior. Replacing a failed contactor promptly prevents costly compressor damage from voltage fluctuations and arcing.

  • Specs: 2-pole configuration | 24V AC coil voltage | Factory-rated amperage for compressor and fan load | OEM part numbers: HN53CB115, HN53HF122, HN53HG120 — confirm your existing part number before ordering
  • OEM vs Generic: OEM Carrier contactors feature silver-alloy contact tips rated to exact factory amperage tolerances. Generic contactors often use lower-grade contacts that pit and oxidize faster, leading to premature failure and potential compressor damage under high-load summer conditions.
  • Install difficulty: 3/5 — Requires shutting off both the disconnect box and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and a permanent marker to label wires. Always photograph all wiring connections before disconnecting. High-voltage terminals must be fully discharged before handling.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our stocked warehouse.

Compatibility: Designed and factory-matched for the Carrier C4850C50Z6105610 packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — verify the part number on your existing contactor's label or your unit's data plate to confirm the correct variant. Not sure which part number you need? Our HVAC parts specialists verify fitment before every order — contact us today 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 $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 C4850C50Z6105610 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50Z6105610 | 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 C4850C50Z6105610 | 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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