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OEM Carrier 2-Pole 40A 24V Coil Contactor for C4850C50Z9075110 — Ships Today
Carrier

OEM Carrier 2-Pole 40A 24V Coil Contactor for C4850C50Z9075110 — Ships Today

SKU: CARRIE-C4850C50Z9075110-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil 40A for Model C4850C50Z9075110

This OEM contactor is the factory-specified replacement for the Carrier C4850C50Z9075110 packaged unit. The contactor is a high-voltage relay that receives a low-voltage (24V) signal from the thermostat and closes the circuit to send 240V power to the compressor and condenser fan motor. When the contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — the system will either refuse to start, run continuously without shutting off, or exhibit erratic cycling behavior. Replacing a failed contactor is one of the most common and cost-effective HVAC repairs available.

  • Specs: 2-pole configuration | 24V AC coil voltage | 40A rated | Factory-matched contact material and coil resistance | Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120
  • OEM vs Generic: This OEM contactor uses factory-spec contact alloy and coil winding, ensuring proper pull-in voltage and long service life. Generic contactors may use lower-grade contact material that pits faster under load, especially in high-cycle cooling seasons.
  • Install difficulty: 2/5 — Shut off all power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor and transfer wires one at a time to avoid miswiring.
  • Warranty: 1-year OEM factory warranty included. Orders placed by cutoff ship same business day from our climate-controlled warehouse.

Compatibility: Designed and tested for the Carrier C4850C50Z9075110 packaged unit. This part directly replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Always verify pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our parts specialists are available to confirm fitment — order with confidence and get your system back online today.

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 C4850C50Z9075110 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50Z9075110 — 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 C4850C50Z9075110 — 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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