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OEM Carrier Contactor 2-Pole 24V Coil for C48A405012 — Ships Today
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C48A405012 — Ships Today

SKU: CARRIE-C48A405012-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model C48A405012

This OEM contactor is the factory-specified replacement for the Carrier C48A405012 packaged unit. The contactor is a high-voltage relay that closes when the thermostat calls for cooling, sending 240V power to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or contacts welded shut — your system may refuse to turn on, run continuously without stopping, or produce a loud buzzing or chattering from the electrical panel. Replaces OEM part numbers HN53CB115 and HN53HF122.

  • Specs: 2-Pole configuration | 24V control coil | 240V load side | Factory-matched contact rating — verify amperage on your unit's data plate before ordering
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic aftermarket units frequently use lower-grade contact material that pits faster, shortening service life and risking compressor damage.
  • Install difficulty: 3/5 — Always disconnect power at the disconnect box AND the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor. Capacitor proximity means double-check for stored charge before reaching into the cabinet.
  • Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Direct OEM replacement for Carrier C48A405012 packaged units, superseding part numbers HN53CB115 and HN53HF122. Confirm pole count, coil voltage, and amperage rating against your unit's data plate prior to ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us before placing your order.

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 C48A405012 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C48A405012 — 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 C48A405012 — 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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