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OEM Carrier Contactor 1-Pole 30A 24V for PH12NA03600GACAA
Carrier

OEM Carrier Contactor 1-Pole 30A 24V for PH12NA03600GACAA

SKU: CARRIE-PH12NA03600GACAA-CONTACTOR-HN51KC024 Brand: Carrier
Guaranteed to fit PH12NA03600GACAA — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 1-Pole 30 Amp 24V Contactor (HN51KC024) for Model PH12NA03600GACAA

This is the genuine OEM contactor for the Carrier PH12NA03600GACAA heat pump / condensing unit. The contactor is a high-voltage relay controlled by the 24V thermostat circuit — when the thermostat calls for cooling or heating, the 24V coil energizes, closing the contacts and sending line voltage to the compressor and/or fan motor. A failed contactor is one of the most common causes of an AC or heat pump that won't start, hums without running, trips the breaker repeatedly, or shuts down unexpectedly. Visually inspect for pitted, burned, or fused contact points as a first diagnostic step.

  • Specs: 1-pole configuration | 24 VAC coil voltage | 30 Amp FLA (Full Load Amps) | 150 Amp LRA (Locked Rotor Amps) | 50/60 Hz | OEM Part# HN51KC024
  • OEM vs Generic: This factory-authorized OEM contactor is built to exact Carrier specifications for contact gap, coil pull-in voltage, and contact material — ensuring reliable pull-in, minimal arcing, and a longer service life than generic aftermarket substitutes that may use lower-grade contact alloys.
  • Install difficulty: 2/5 — Always disconnect and lock out power at the disconnect box before opening the unit. Tools needed: flathead and Phillips screwdriver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Verify 24V coil energizes and contacts pull in with a thermostat call after installation.
  • Warranty: 1-year OEM factory warranty. Ships same business day from our climate-controlled warehouse.

Compatibility: Fits Carrier model PH12NA03600GACAA. Also cross-references OEM part numbers HN51CC024, P282-1304, P282-1305, P282-0311, and 301362-101. Always verify the part number on your unit's data plate or wiring diagram before ordering. Have a fitment question? Our HVAC parts specialists verify compatibility before you buy — order with confidence.

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 PH12NA03600GACAA?
Yes. This is the factory-specified OEM contactor for the Carrier PH12NA03600GACAA. 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 PH12NA03600GACAA?
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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