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OEM Carrier Contactor 2-Pole 24V Coil for C4850C50AJ03091
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C4850C50AJ03091

SKU: CARRIE-C4850C50AJ03091-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 C4850C50AJ03091

This is the genuine OEM replacement contactor (part# HN53CB115) for the Carrier C4850C50AJ03091 packaged unit. The contactor is a high-voltage switching relay that receives a 24V signal from the thermostat and closes to send line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — the system will not respond to a cooling call, leaving you with a unit that hums, trips breakers, or simply won't turn on at all.

  • Specs: 2-Pole configuration | 24V AC coil voltage | Factory-rated amperage for Carrier C4850C50AJ03091 | OEM part number HN53CB115 | Matched contact material for long service life
  • OEM vs Generic: This factory OEM contactor is built to exact Carrier specifications with properly rated contact surfaces. Generic contactors often use thinner contact pads that pit and weld prematurely under compressor load, leading to repeat failures within a single season.
  • Install difficulty: 2/5 — Always disconnect power at the breaker and confirm voltage is absent with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor.
  • Warranty: Backed by a 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Designed specifically for the Carrier C4850C50AJ03091 packaged unit. Verify coil voltage (24V) and pole configuration against your unit's wiring diagram and data plate before ordering. Our HVAC parts specialists are available to confirm fitment — don't guess on a safety-critical switching component. Order today and get your system back online fast with free same-day shipping on in-stock parts.

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 C4850C50AJ03091?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50AJ03091. 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 C4850C50AJ03091?
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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