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OEM Carrier 2-Pole 24V Coil Definite Purpose 50A Contactor for C4850C50AY06021 | National HVAC Parts
Carrier

OEM Carrier 2-Pole 24V Coil Definite Purpose 50A Contactor for C4850C50AY06021 | National HVAC Parts

SKU: CARRIE-C4850C50AY06021-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50AY06021

This OEM replacement contactor is the factory-specified high-voltage relay for the Carrier C4850C50AY06021 packaged unit. The contactor acts as the primary switching device that routes 240V power to the compressor and condenser fan motor when the thermostat calls for cooling. When the contactor fails, the most common symptoms include the outdoor unit not energizing at all, audible chattering or buzzing from the contactor coil, or visible pitting and burning on the contact points. Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120.

  • Specs: 2-Pole configuration | 24V AC coil voltage | 40–50A contact rating | Direct factory replacement with correct mounting footprint and terminal layout for the C4850C50AY06021
  • OEM vs Generic: This OEM contactor meets Carrier's exact coil pull-in voltage, contact silver alloy composition, and amperage rating. Aftermarket contactors frequently use lower-grade contact materials that pit faster, leading to premature failure and potential compressor damage from voltage drop.
  • Install difficulty: 2/5 — Always shut off power at both the disconnect and breaker before servicing. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor. Line voltage wires connect to the top (L1/L2); load wires to the bottom (T1/T2); low-voltage thermostat wires to the coil terminals.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed by 3 PM EST ship the same business day from our dedicated HVAC parts warehouse.

Compatibility: Designed as a direct OEM replacement for the Carrier C4850C50AY06021 packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Confirm coil voltage and ampacity on your unit's data plate before ordering. Not sure it fits? Our parts specialists verify compatibility before you buy — contact us anytime.

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 C4850C50AY06021 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50AY06021 | 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 C4850C50AY06021 | 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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