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OEM Carrier 2-Pole 50A Contactor 24V Coil for C4850C48ZN075110 — Ships Today
Carrier

OEM Carrier 2-Pole 50A Contactor 24V Coil for C4850C48ZN075110 — Ships Today

SKU: CARRIE-C4850C48ZN075110-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 C4850C48ZN075110

This OEM replacement contactor is the factory-specified part for the Carrier C4850C48ZN075110 packaged unit. The contactor acts as a high-voltage relay, receiving a 24V signal from the thermostat or control board to close its poles and deliver line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or contacts that weld shut — the system either refuses to start, runs continuously without cycling off, or trips the breaker repeatedly. Replacing the contactor is one of the most common and cost-effective AC repairs available.

  • Specs: 2-pole configuration | 24V coil voltage | 40–50A contact rating | Direct OEM replacement — matches factory wiring footprint exactly. Compatible OEM part numbers: HN53CB115, HN53HF122, HN53HG120.
  • OEM vs Generic: OEM contactors use silver-alloy contacts rated for thousands of switching cycles, maintaining clean conductivity under high-amperage load. Generic contactors often use inferior contact materials that pit and arc faster, shortening compressor life and increasing callback risk for contractors.
  • Install Difficulty: 2/5 — Shut off all power at the disconnect and breaker panel before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, voltage tester. Always photograph existing wiring before disconnecting terminals. Swap wire-for-wire from old to new contactor. Verify 24V coil signal at terminals before closing the panel.
  • Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our stocked warehouse — no waiting on special orders.

Compatibility: Designed specifically for the Carrier C4850C48ZN075110 packaged unit. This contactor replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Always verify coil voltage and pole configuration on your unit's data plate or wiring diagram before ordering. Our fitment specialists are available to confirm compatibility before you purchase — contact us and we'll verify your part before it ships.

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 C4850C48ZN075110 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C48ZN075110 — 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 C4850C48ZN075110 — 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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