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OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50Z2035600 | National HVAC Parts
Carrier

OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50Z2035600 | National HVAC Parts

SKU: CARRIE-C4850C50Z2035600-CONTACTOR-HN53CB115 Brand: Carrier
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Texas CMBL #19328542014
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OEM Carrier 2-Pole Contactor for Model C4850C50Z2035600 — Part# HN53CB115

This OEM contactor (part number HN53CB115) is the factory-specified high-voltage switching relay for the Carrier C4850C50Z2035600 packaged unit. The contactor acts as the primary electrical gateway between your thermostat's 24V control signal and the high-voltage power supply to the compressor and condenser fan motor. When the contactor fails, the most common symptoms include an air conditioning system that won't turn on at all, contacts that weld shut causing the unit to run continuously, or visible pitting and burning on the contact surfaces during inspection.

  • Specs: 2-pole configuration | 24V AC coil voltage | 40A contact rating | Factory-matched OEM dimensions and terminal layout for direct drop-in replacement
  • OEM vs Generic: This OEM contactor uses factory-grade silver-alloy contacts rated for thousands of switching cycles. Generic contactors often use lower-grade contact materials that pit and weld prematurely, leading to compressor damage and repeat service calls.
  • Install Difficulty: 3/5 — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Line-voltage work should only be performed by a licensed HVAC technician.
  • Warranty: 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our stocked warehouse.

Compatibility: Engineered specifically for the Carrier C4850C50Z2035600 packaged unit. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment — order with confidence knowing same-day shipping gets this part to your door 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 C4850C50Z2035600 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50Z2035600 | 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 C4850C50Z2035600 | 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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