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OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for C50A205011 | National HVAC Parts
Carrier

OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for C50A205011 | National HVAC Parts

SKU: CARRIE-C50A205011-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil 30A for Model C50A205011

This OEM contactor is the factory-specified replacement for the Carrier C50A205011 commercial packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when energized, it closes the circuit to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common causes of an air conditioning system that powers on but refuses to cool: symptoms include a buzzing or chattering sound at the outdoor unit, a compressor that won't start, or a unit that trips the breaker repeatedly due to pitted or welded contacts.

  • Specs: 2-pole configuration | 24V AC coil voltage | 30A contact rating | 600V max switching voltage | Replaces OEM part numbers HN53CB115, HN53CD115, and HN53HF122
  • OEM vs Generic: This is a genuine OEM Carrier contactor built to factory contact gap and coil pull-in specifications. Generic contactors frequently use thinner silver-alloy contacts that pit faster under compressor inrush current, leading to premature failure within one to two seasons.
  • Install difficulty: 2/5 — Disconnect power at both the disconnect box and breaker panel 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. Swap wires one at a time to avoid miswiring.
  • Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before 3 PM ET ship same business day from our climate-controlled warehouse.

Compatibility: Designed for the Carrier C50A205011 commercial packaged unit. Cross-references OEM part numbers HN53CB115, HN53CD115, and HN53HF122 — confirm 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 verify fitment at no charge — contact us before you order if you have any doubt.

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 C50A205011 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C50A205011 | 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 C50A205011 | 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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