Same-day shipping before 3PM CST · 35,000+ OEM Parts · Texas CMBL & SAM.gov Registered · Government POs Accepted

Menu

Home Shop All Account Cart
OEM Carrier Contactor 2-Pole 24V Coil for C4850C50Z2030900 — Ships Today
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for C4850C50Z2030900 — Ships Today

SKU: CARRIE-C4850C50Z2030900-CONTACTOR-HN53CB115 Brand: Carrier
✓ Guaranteed to fit — or your money back. Terms

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor HN53CB115 for Model C4850C50Z2030900

This is the factory-specified OEM replacement contactor (part number HN53CB115) for the Carrier C4850C50Z2030900 packaged unit. The contactor is a high-voltage relay controlled by the 24V signal from your thermostat. When the thermostat calls for cooling, the contactor closes and allows line voltage to energize the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system won't turn on at all — or may run continuously without shutting off.

  • Specs: 2-pole configuration | 24V coil voltage | Rated for line-voltage compressor and fan motor loads | Direct OEM replacement for part number HN53CB115 | Silver alloy contact points for extended service life
  • OEM vs Generic: This OEM contactor meets Carrier's exact coil pull-in voltage and contact rating specifications. Generic contactors may use lower-grade contact materials that pit and weld under repeated load cycling, leading to premature failure and potential compressor damage.
  • Install Difficulty: 3/5 — Always disconnect and lock out power at the disconnect box before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wire labels or camera for documenting wiring positions. Verify coil voltage and pole count match your existing unit before installation.
  • Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Designed specifically for the Carrier C4850C50Z2030900 packaged unit. Always verify the OEM part number HN53CB115 against your unit's data plate or existing contactor label before ordering. Our HVAC parts specialists are available to confirm fitment — just reach out before you buy. Order today and your part ships the same business day.

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 C4850C50Z2030900 — Ships Today?
Yes. This is the factory-specified OEM contactor for the Carrier C4850C50Z2030900 — 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 C4850C50Z2030900 — 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.
Home Shop Search Account Cart
Fitment Guaranteed
MR
Mike Rivera
HVAC Parts Specialist — Online