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OEM Carrier Definite Purpose Contactor for Unit PH10JA024000ACAA
Carrier

OEM Carrier Definite Purpose Contactor for Unit PH10JA024000ACAA

SKU: CARRIE-PH10JA024000ACAA-CONTACTOR-HN51KB024 Brand: Carrier
Guaranteed to fit PH10JA024000ACAA — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Definite Purpose Contactor for Unit PH10JA024000ACAA

The contactor is the high-current switch that powers the compressor and condenser fan in your Carrier PH10JA024000ACAA packaged unit. When the thermostat calls for cooling or heating, the 24V control circuit energizes the contactor coil, pulling the contacts closed and sending line voltage to the compressor. When a contactor fails, the most common symptoms are an outdoor unit that hums but never starts, a clicking that won't "pull in," or contacts that weld shut so the compressor runs constantly and won't cycle off even when the thermostat is satisfied. Pitted, burned contacts also cause low or intermittent voltage that can burn out the compressor windings over time. This is a definite purpose contactor sized for this tonnage — typically a 2-pole, 30–40 FLA rating with a 24V coil. Definite purpose construction uses silver-alloy contacts rated for the high inrush current of compressor starting and the harsh outdoor environment. Pole count, amperage, and coil voltage match the factory unit. Genuine OEM matters because aftermarket contactors frequently use undersized or lower-grade contacts that pit and arc faster under compressor inrush. Pitted contacts raise resistance, drop voltage to the compressor, and accelerate failure of a far more expensive component. The OEM contactor is rated to Carrier's exact load spec. Installation difficulty: 2 of 5. Tools needed: 1/4" nut driver, needle-nose pliers, a multimeter, and a phone to photograph the wiring first. #1 safety warning: KILL THE BREAKER at the disconnect and verify 0V across the line terminals — the contactor's line side carries full 240V even when the unit is "off." Ships same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.

Compatibility

This part is compatible with Carrier model PH10JA024000ACAA. Always verify the part number against your unit's data plate before ordering.

Why Choose OEM?

OEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.

Shipping & Returns

Same-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.

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 Unit PH10JA024000ACAA?
Yes. This is the factory-specified OEM contactor for the Carrier Unit PH10JA024000ACAA. 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 Unit PH10JA024000ACAA?
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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