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OEM Carrier 2-Pole 24V Coil Definite Purpose 40A Contactor for C48A305011 — Ships Today
Carrier

OEM Carrier 2-Pole 24V Coil Definite Purpose 40A Contactor for C48A305011 — Ships Today

SKU: CARRIE-C48A305011-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 C48A305011

This OEM contactor is the factory-specified replacement for the Carrier C48A305011 packaged unit. The contactor is a high-voltage relay that switches 240V power to the compressor and condenser fan motor when the thermostat sends a 24V signal. When the contactor fails — due to burned or pitted contacts, a welded contact, or a failed coil — the system either won't turn on at all, or runs continuously regardless of thermostat commands. Replaces OEM part numbers HN53CB115 and HN53HF122.

  • Specs: 2-Pole configuration | 24V AC control coil | 40A contact rating | Direct OEM drop-in replacement for Carrier C48A305011 — no wiring modifications required
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated for tens of thousands of switching cycles. Generic aftermarket units often use inferior contact materials that pit and burn far sooner, leading to repeat failures and potential compressor damage.
  • Install difficulty: 2/5 — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals to ensure correct reassembly.
  • Warranty: 1-year OEM factory warranty. Orders placed before cutoff ship the same business day from our stocked warehouse.

Compatibility: Designed for the Carrier C48A305011 packaged unit. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. This listing covers OEM part numbers HN53CB115 and HN53HF122 — both are valid factory replacements for this model. Have a fitment question? Our HVAC parts specialists verify compatibility before you order — reach out anytime. In stock and ships 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 C48A305011 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C48A305011 — 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 C48A305011 — 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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