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OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for C50A304051 — Ships Today
Carrier

OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for C50A304051 — Ships Today

SKU: CARRIE-C50A304051-CONTACTOR-HN53CB115 Brand: Carrier
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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil 30A for Model C50A304051

This OEM contactor is the factory-specified high-voltage relay for the Carrier C50A304051 packaged unit. The contactor acts as the main switching device that allows 240V power to flow to the compressor and condenser fan motor when the thermostat calls for cooling. When a contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — your system will either refuse to turn on entirely, fail to shut off, or short-cycle unpredictably. This part directly replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120.

  • Specs: 2-pole configuration | 24V AC coil | 30A rated | 240V load voltage | Direct OEM factory replacement with matched contact material and coil pull-in voltage
  • OEM vs Generic: OEM contactors use factory-grade silver-alloy contacts rated to exact cycle life specifications. Generic alternatives frequently use lower-grade contact materials that arc, pit, and weld prematurely — shortening compressor life and increasing callback risk.
  • Install difficulty: 3/5 — Disconnect all power at the breaker and verify zero voltage with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, multimeter, needle-nose pliers. Photograph all wiring before disconnecting. Load and line terminals must not be reversed.
  • Warranty: 1-year OEM factory warranty. Orders placed by 3 PM EST ship same business day from our stocked warehouse.

Compatibility: Designed for the Carrier C50A304051 commercial packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Verify pole count, amperage, and coil voltage on your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — same-day shipping means your repair stays on schedule.

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 C50A304051 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C50A304051 — 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 C50A304051 — 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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