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OEM Carrier Contactor 2-Pole 24V Coil for CP50P550P505510CP
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for CP50P550P505510CP

SKU: CARRIE-CP50P550P505510CP-CONTACTOR-HN53CD115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Contactor 2-Pole 24V Coil for Model CP50P550P505510CP

This OEM replacement contactor (part number HN53CD115) is the factory-specified high-voltage relay for the Carrier CP50P550P505510CP packaged unit. The contactor acts as the main power switch, closing the circuit to the compressor and condenser fan motor whenever the thermostat calls for cooling. When the contactor fails — due to burned or pitted contacts, a stuck plunger, or a failed coil — the system will either fail to start entirely, run continuously without shutting off, or make a loud chattering or buzzing noise from the electrical cabinet.

  • Specs: 2-pole configuration | 24V control coil voltage | Factory-rated amperage | OEM part number HN53CD115 | Direct drop-in replacement with original wiring positions
  • OEM vs Generic: This OEM contactor features factory-grade silver-alloy contact tips rated for thousands of switching cycles. Generic contactors often use lower-grade contacts that pit and oxidize faster, leading to premature failure and potential compressor damage.
  • Install difficulty: 3/5 — Always disconnect and lock out power at the disconnect box before servicing. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Verify coil voltage with a multimeter before powering up.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our warehouse.

Compatibility: Engineered specifically for the Carrier CP50P550P505510CP packaged unit. Always verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — no guesswork required. Order today and get your system back online fast.

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 CP50P550P505510CP?
Yes. This is the factory-specified OEM contactor for the Carrier CP50P550P505510CP. 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 CP50P550P505510CP?
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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