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OEM Carrier Contactor 2-Pole 24V Coil for C50A502761
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C50A502761

SKU: CARRIE-C50A502761-CONTACTOR-HN53CB115 Brand: Carrier
✓ Guaranteed to fit C50A502761 — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor for Model C50A502761 — HN53CB115 / HN53CD115

This is the factory-specified OEM replacement contactor for the Carrier C50A502761 packaged unit. The contactor is a high-voltage relay that energizes when the thermostat sends a 24V signal, closing the circuit to deliver line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — the system will fail to start entirely, run continuously without shutting off, or trip the breaker. OEM part numbers HN53CB115 and HN53CD115 are both compatible factory replacements for this model.

  • Specs: 2-pole configuration | 24V AC coil voltage | Factory-matched contact rating | Direct OEM replacement for HN53CB115 and HN53CD115
  • OEM vs Generic: OEM contactors use silver-alloy contacts rated to factory specifications, ensuring proper contact resistance and long service life. Generic contactors may use inferior contact materials prone to early pitting, arcing, and premature failure — especially under high-cycle conditions.
  • Install difficulty: 2/5 — Always disconnect power at the breaker AND verify zero voltage with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal. The contactor snaps or screws into the control panel bracket.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our stocked warehouse.

Compatibility: Designed as a direct OEM replacement for Carrier C50A502761 packaged units. Cross-reference your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our team is available to verify fitment — reach out before you order if you have any questions. 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 C50A502761?
Yes. This is the factory-specified OEM contactor for the Carrier C50A502761. 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 C50A502761?
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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