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OEM Carrier 2-Pole 24V Definite Purpose Contactor for C4850C50Z3040500 — Ships Today
Carrier

OEM Carrier 2-Pole 24V Definite Purpose Contactor for C4850C50Z3040500 — Ships Today

SKU: CARRIE-C4850C50Z3040500-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 C4850C50Z3040500

This OEM contactor is the factory-specified high-voltage relay replacement for the Carrier C4850C50Z3040500 packaged unit. The contactor acts as the primary switching device that completes the high-voltage circuit to the compressor and condenser fan motor whenever the thermostat signals a cooling call. When a contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — the system will either fail to start entirely, run continuously without shutting off, or exhibit erratic cycling behavior. Replacing a worn contactor promptly prevents compressor damage and costly downstream repairs.

  • Specs: 2-pole configuration | 24V control coil | Rated for high-amperage compressor load | OEM part numbers HN53CB115, HN53HF122, HN53HG120 — factory-matched for direct replacement
  • OEM vs Generic: OEM contactors feature silver-alloy contact tips rated for exact factory amperage and cycle life. Generic contactors often use lower-grade contact materials that arc and pit more rapidly, shortening service life and risking compressor lockout.
  • Install difficulty: 3/5 — Always disconnect power at both the disconnect box and 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. Verify coil voltage and pole configuration match before installation.
  • 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: Designed for the Carrier C4850C50Z3040500 packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Confirm pole count, coil voltage, and amperage rating on your unit's data plate prior to ordering. Our parts specialists are available to verify fitment before you buy — contact us anytime.

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 $99
  • 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 C4850C50Z3040500 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50Z3040500 — 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 C4850C50Z3040500 — 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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Mike Rivera
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