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OEM Carrier 2-Pole Contactor 24V Coil 40A for C50A406052 — Ships Today
Carrier

OEM Carrier 2-Pole Contactor 24V Coil 40A for C50A406052 — Ships Today

SKU: CARRIE-C50A406052-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 C50A406052

This OEM replacement contactor is the factory-specified part for the Carrier C50A406052 commercial packaged 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 reasons a packaged unit appears completely unresponsive: you may hear a faint click with no compressor engagement, notice pitted or burned contact points, or find the system stuck in a no-cooling lockout. Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120.

  • Specs: 2-pole configuration | 40A contact rating | 24V AC coil voltage | Heavy-duty silver-alloy contact points | Direct OEM factory replacement
  • OEM vs Generic: This OEM contactor meets Carrier's exact coil pull-in voltage and contact rating specifications. Generic contactors often use thinner contact materials that pit and weld faster under high cycling loads, leading to repeat failures and potential compressor damage.
  • Install Difficulty: 3/5 — Always disconnect power at both the disconnect box and breaker panel before servicing. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter to verify coil resistance and contact continuity. Photograph all wiring connections before removal.
  • Warranty: 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse.

Compatibility: Engineered for the Carrier C50A406052 commercial packaged rooftop unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Always verify pole count, amperage rating, and coil voltage against your unit's data plate and wiring diagram before ordering. Our fitment team is available to confirm compatibility before you buy — same-day shipping on all in-stock orders.

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 C50A406052 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C50A406052 — Ships Today. 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 C50A406052 — Ships Today?
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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