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OEM Carrier 2-Pole 24V Definite Purpose 40A Contactor for C4850C48ZN040600 | National HVAC Parts
Carrier

OEM Carrier 2-Pole 24V Definite Purpose 40A Contactor for C4850C48ZN040600 | National HVAC Parts

SKU: CARRIE-C4850C48ZN040600-CONTACTOR-HN53CB115 Brand: Carrier
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Texas CMBL #19328542014
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OEM Carrier 2-Pole Contactor for Model C4850C48ZN040600

This is the factory-specified OEM replacement contactor for the Carrier C4850C48ZN040600 packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes its contacts to supply line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the system will either refuse to energize entirely, run continuously without cycling off, or produce a loud chattering noise from the control panel. Replaces OEM part numbers HN53CB115 and HN53HF122.

  • Specs: 2-Pole configuration | 24V coil voltage | Rated for 40A load | Factory-matched contact material and coil resistance for precise operation
  • OEM vs Generic: This OEM contactor uses factory-grade silver-alloy contact tips and a precision-wound coil, ensuring reliable pull-in at low 24V signal levels. Generic contactors frequently use lower-grade contact alloys that pit rapidly under compressor inrush current, leading to premature failure within one to two seasons.
  • Install Difficulty: 2/5 — Always disconnect power at the breaker and verify zero voltage with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, and a multimeter. Photograph all wiring before disconnecting. The contactor mounts with two screws and wires reconnect to labeled terminals.
  • Warranty: 1-year OEM factory warranty. Orders placed before our same-day shipping cutoff ship directly from our warehouse the same business day.

Compatibility: Designed and tested to fit the Carrier C4850C48ZN040600 packaged unit. Cross-references OEM part numbers HN53CB115 and HN53HF122. Confirm your unit's data plate lists a 2-pole, 24V coil contactor before ordering. Our fitment team is available to verify compatibility before you purchase — no guesswork required.

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 C4850C48ZN040600 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C48ZN040600 | 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 C4850C48ZN040600 | 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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