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OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C48AY03011
Carrier

OEM Carrier 40A Contactor 2-Pole 24V Coil for C4850C48AY03011

SKU: CARRIE-C4850C48AY03011-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 C4850C48AY03011

This is the factory-specified OEM contactor (part number HN53CB115) for the Carrier C4850C48AY03011 packaged unit. The contactor is the high-voltage relay that closes the circuit between your disconnect and the compressor and condenser fan motor whenever the thermostat calls for cooling. When a contactor fails — through pitted contacts, a stuck plunger, or a burned coil — the result is an air conditioner that simply won't turn on, hums without starting, or runs continuously without responding to thermostat signals.

  • Specs: 2-Pole configuration | 24V AC coil voltage | 40A rated contacts | Direct OEM replacement for part number HN53CB115 | Factory-matched contact material and coil pull-in voltage
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic units frequently use lower-grade contacts that arc, pit, and weld shut prematurely — causing compressor lockout or continuous operation that burns out motors.
  • Install difficulty: 3/5 — Shut off power at both the disconnect and the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Line-voltage terminals must be torqued to spec to prevent arcing.
  • Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our climate-controlled warehouse.

Compatibility: Engineered as a direct drop-in replacement for the Carrier C4850C48AY03011 packaged unit. Always verify pole count, coil voltage, and amperage rating against your unit's data plate and existing contactor label before ordering. Our fitment team is available to confirm compatibility — just reach out before you buy. 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 C4850C48AY03011?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C48AY03011. 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 C4850C48AY03011?
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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