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OEM Carrier Contactor 2-Pole 24V Coil for C48A502761
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C48A502761

SKU: CARRIE-C48A502761-CONTACTOR-HN53CB115 Brand: Carrier
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Texas CMBL #19328542014
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OEM Carrier 2-Pole Contactor for Carrier C48A502761 Packaged Unit

This is the factory-specified OEM replacement contactor for the Carrier C48A502761 packaged unit, supplied under part numbers HN53CB115 and HN53CD115. The contactor functions as the primary high-voltage relay in your system, receiving a 24V signal from the control board and switching line voltage to energize the compressor and condenser fan motor. When the contactor fails — whether due to pitted contacts, a burned coil, or a stuck plunger — the result is typically a complete loss of cooling: the thermostat calls for cooling, the air handler runs, but the outdoor unit never responds.

  • Specs: 2-pole configuration | 24V AC coil voltage | Rated for high-amperage compressor loads | Direct OEM replacement for part numbers HN53CB115 and HN53CD115
  • OEM vs Generic: OEM contactors from Carrier use silver-alloy contact tips engineered to the exact amperage and cycle specifications of the C48A502761. Generic contactors frequently use lower-grade contact materials that arc and pit faster, leading to premature failure and potential compressor damage.
  • Install Difficulty: 3/5 — Line voltage is present inside the disconnect and unit panels. Always shut off power at the disconnect AND the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before 3 PM ship same business day from our climate-controlled HVAC parts warehouse.

Compatibility: Designed specifically for the Carrier C48A502761 packaged unit. Cross-references OEM part numbers HN53CB115 and HN53CD115 — verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our parts specialists are available to confirm fitment prior to purchase. In stock and ready to ship today.

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 C48A502761?
Yes. This is the factory-specified OEM contactor for the Carrier C48A502761. 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 C48A502761?
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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