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OEM Carrier Contactor 2-Pole 24V Coil for CP50P450P404011CP
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for CP50P450P404011CP

SKU: CARRIE-CP50P450P404011CP-CONTACTOR-HN53CD115 Brand: Carrier

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model CP50P450P404011CP

This is the factory OEM replacement contactor (part number HN53CD115) for the Carrier CP50P450P404011CP packaged unit. The contactor is a high-voltage relay controlled by your thermostat's 24V signal — when the stat calls for cooling, the contactor closes and delivers line voltage to the compressor and condenser fan motor. When the contactor fails, the result is an AC system that won't energize at all, chatters loudly, or runs continuously without shutting off. Pitted or burned contacts are the most common cause of no-cool calls in the field.

  • Specs: 2-Pole configuration | 24V AC coil voltage | Rated for high-amperage compressor loads | Direct OEM replacement for part number HN53CD115
  • OEM vs Generic: This OEM contactor uses factory-spec contact materials and spring tension, ensuring reliable pull-in voltage and long service life. Generic contactors often use softer contact alloys that pit faster under load cycling, leading to premature failure within one to two seasons.
  • Install difficulty: 2/5 — Disconnect all power at the breaker and verify with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers. Always photograph existing wiring before disconnecting. The contactor mounts to the control panel with two screws and terminals accept spade or screw connections.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our climate-controlled warehouse.

Compatibility: Designed as a direct OEM replacement for Carrier CP50P450P404011CP packaged units. Always verify coil voltage and pole configuration against your unit's wiring diagram and data plate before ordering. Our technical team is available to confirm 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 $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 CP50P450P404011CP?
Yes. This is the factory-specified OEM contactor for the Carrier CP50P450P404011CP. 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 CP50P450P404011CP?
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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