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OEM Carrier Contactor 2-Pole 24V for C50A402561 — HN53CB115
Carrier

OEM Carrier Contactor 2-Pole 24V for C50A402561 — HN53CB115

SKU: CARRIE-C50A402561-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 C50A402561

This OEM replacement contactor is the factory-specified high-voltage relay for the Carrier C50A402561 packaged unit. The contactor acts as the main electrical switch that energizes the compressor and condenser fan motor when the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — your system will either fail to start entirely, run continuously without shutting off, or trip the breaker repeatedly. OEM part numbers HN53CB115 and HN53CD115 are direct factory replacements for this model.

  • Specs: 2-pole configuration | 24V AC coil voltage | Heavy-duty contact rating | Factory-matched to Carrier C50A402561 electrical specifications
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic units often feature lower-grade contacts that pit and weld prematurely, leading to compressor burnout or nuisance tripping — a far more expensive repair.
  • Install difficulty: 3/5 — Always disconnect power at the disconnect box AND the breaker before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wire labels or tape. Photograph all wiring connections before removing the old contactor. Transfer wires one at a time to avoid miswiring the load and line sides.
  • Warranty: 1-year OEM factory warranty covers defects in materials and workmanship. Orders placed before our daily cutoff ship same business day from our warehouse.

Compatibility: Designed and verified for Carrier C50A402561 packaged units. Cross-references OEM part numbers HN53CB115 and HN53CD115 — both part numbers are interchangeable for this application. Always verify coil voltage and pole configuration on your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment before you buy. In stock and ready to ship today — get your system back online fast.

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 C50A402561 — HN53CB115?
Yes. This is the factory-specified OEM contactor for the Carrier C50A402561 — HN53CB115. 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 C50A402561 — HN53CB115?
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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