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OEM Carrier 2-Pole Contactor 24V Coil 40A for CP50P550P504010CP — Ships Today
Carrier

OEM Carrier 2-Pole Contactor 24V Coil 40A for CP50P550P504010CP — Ships Today

SKU: CARRIE-CP50P550P504010CP-CONTACTOR-HN53CD115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil 40A for Model CP50P550P504010CP

This OEM contactor is the factory-specified replacement for the Carrier CP50P550P504010CP packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when your thermostat calls for cooling, the contactor closes to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system won't respond to a call for cooling, produces a loud chattering or buzzing noise at the outdoor unit, or runs continuously without shutting off due to welded contacts.

  • Specs: 2-pole configuration | 24V AC coil voltage | 40A rating | OEM part number HN53CD115 | Factory-matched contact material and coil resistance
  • OEM vs Generic: This OEM contactor uses factory-grade silver-alloy contact tips rated for thousands of switching cycles. Generic contactors frequently use lower-grade contact material that pits and welds prematurely, leading to compressor damage or runaway operation.
  • Install difficulty: 2/5 — Always disconnect power at the breaker and verify zero voltage with a multimeter before servicing. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals. The contactor pulls straight out of the mounting bracket after screws are removed.
  • Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders ship same business day from our stocked warehouse.

Compatibility: Designed for the Carrier CP50P550P504010CP packaged unit. Always verify coil voltage and amperage ratings on your unit's data plate before ordering. OEM part number HN53CD115 is stamped on the original component for cross-reference confirmation. Need fitment help? Our HVAC parts specialists verify compatibility before your order ships — no guesswork required.

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 CP50P550P504010CP — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier CP50P550P504010CP — 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 CP50P550P504010CP — 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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Mike Rivera
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