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OEM Carrier 2-Pole 40A 24V Coil Definite Purpose Contactor for C50A304062 | National HVAC Parts
Carrier

OEM Carrier 2-Pole 40A 24V Coil Definite Purpose Contactor for C50A304062 | National HVAC Parts

SKU: CARRIE-C50A304062-CONTACTOR-HN53CB115 Brand: Carrier
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Texas CMBL #19328542014
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OEM Carrier 2-Pole Contactor 24V Coil 40A for Model C50A304062

This OEM contactor is the factory-specified replacement for the Carrier C50A304062 packaged rooftop unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when the thermostat calls for cooling, the contactor closes and sends 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 simply won't turn on, hums without starting, or shows signs of pitting and welded contacts that keep the unit running non-stop.

  • Specs: 2-pole configuration | 40A rated load | 24V AC coil voltage | Replaces OEM part numbers HN53CB115, HN53CD115, and HN53HF122 — factory-matched for drop-in replacement
  • OEM vs Generic: OEM contactors feature precision-machined contact tips and coil windings rated to exact factory specs. Generic alternatives often use lower-grade contact materials that pit and weld faster, especially in high-cycle commercial rooftop applications like the C50A304062.
  • Install difficulty: 2/5 — Shut off all power at the disconnect 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 to ensure correct reinstallation.
  • Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our stocked warehouse.

Compatibility: Designed for the Carrier C50A304062 commercial packaged rooftop unit. Cross-references OEM part numbers HN53CB115, HN53CD115, and HN53HF122. Always verify pole count, amperage, and coil voltage against your unit's data plate and wiring diagram before ordering. Our fitment team is available to confirm compatibility — order today and enjoy same-day shipping on in-stock parts.

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 C50A304062 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C50A304062 | 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 C50A304062 | 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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