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OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50AW03611 | National HVAC Parts
Carrier

OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C50AW03611 | National HVAC Parts

SKU: CARRIE-C4850C50AW03611-CONTACTOR-HN53CB115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor HN53CB115 for Model C4850C50AW03611

This is the factory OEM replacement contactor (part number HN53CB115) for the Carrier C4850C50AW03611 packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat or control board to close its contacts and deliver line-voltage power to the compressor and condenser fan motor. When a contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — the result is typically an AC system that hums but won't start, trips a breaker repeatedly, or simply refuses to energize at all.

  • Specs: 2-pole configuration | 24V AC coil voltage | 40A contact rating | Factory-matched OEM replacement | Part No. HN53CB115
  • OEM vs Generic: This OEM contactor uses factory-spec contact material and coil windings, ensuring proper pull-in voltage and long contact life. Generic contactors frequently use lower-grade silver-alloy contacts that pit faster under load, leading to repeat failures within a single season.
  • Install difficulty: 3/5 — Always disconnect and lock out power at the disconnect box before servicing. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Verify coil voltage matches your control circuit before installing.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our stocked warehouse.

Compatibility: Designed for the Carrier C4850C50AW03611 packaged unit. Always confirm OEM part number HN53CB115 and coil voltage against your unit's data plate and wiring diagram before ordering. Need fitment confirmation? Our HVAC parts specialists verify compatibility before your order ships — no guesswork required.

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 C4850C50AW03611 | National HVAC Parts?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50AW03611 | 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 C4850C50AW03611 | 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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