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OEM Carrier Contactor 2-Pole 24V Coil for C48A402052 | National HVAC Parts
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C48A402052 | National HVAC Parts

SKU: CARRIE-C48A402052-CONTACTOR-HN53CB115 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 C48A402052

This OEM replacement contactor is the factory-specified part for the Carrier C48A402052 packaged unit. The contactor is the high-voltage relay that receives a 24V signal from the thermostat or control board and closes the circuit to power the compressor and condenser fan motor. When the contactor fails — through pitted contacts, a burned coil, or a stuck plunger — the system either won't turn on at all, runs continuously without cycling off, or trips the breaker repeatedly. Replacing a worn contactor restores reliable switching and protects your compressor from voltage irregularities. Replaces OEM part numbers HN53CB115 and HN53HF122.

  • Specs: 2-pole configuration | 24V coil voltage | Rated for compressor and condenser fan load | Factory-matched contact material and pull-in voltage for Carrier C48A402052
  • OEM vs Generic: OEM contactors use silver-alloy contacts rated to factory load specifications, reducing arc erosion and extending service life. Generic contactors often use lower-grade contact materials that pit faster under repeated switching cycles, risking compressor damage.
  • Install difficulty: 3/5 — Always disconnect power at the disconnect box and breaker panel before beginning work. Tools needed: flat-head and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wire connections before removal — label each wire terminal before disconnecting. Verify coil voltage with a multimeter on the old contactor before installation.
  • Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our warehouse.

Compatibility: Engineered as a direct OEM replacement for Carrier model C48A402052 packaged units. Cross-references OEM part numbers HN53CB115 and HN53HF122. Confirm coil voltage and pole count on your unit's wiring diagram or data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you purchase — contact us anytime.

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 C48A402052 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C48A402052 | National HVAC Parts. 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 C48A402052 | National HVAC Parts?
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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