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OEM Carrier 3-Pole Contactor 208V Coil HN53CD209 for ROA0500L5D
Carrier

OEM Carrier 3-Pole Contactor 208V Coil HN53CD209 for ROA0500L5D

SKU: CARRIE-ROA0500L5D-CONTACTOR-HN53CD209 Brand: Carrier
✓ Guaranteed to fit ROA0500L5D — or your money back. Terms

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier 3-Pole Contactor 208V Coil — HN53CD209 for Model ROA0500L5D

This OEM contactor (part number HN53CD209) is the factory-specified high-voltage switching relay for the Carrier ROA0500L5D packaged or commercial condensing unit. The contactor acts as the master electrical gate for the system: when the thermostat or control board sends a low-voltage signal, the contactor coil energizes and closes the high-voltage circuit, delivering power to the compressor and condenser fan motor. A failed contactor means the outdoor unit receives no voltage — the system simply won't run, or it may short-cycle immediately after a call for cooling.

  • Specs: 3-pole configuration | 208V coil voltage | Factory-matched contact rating | OEM part number HN53CD209 | Designed for Carrier ROA0500L5D
  • OEM vs Generic: This genuine Carrier OEM contactor ensures exact coil pull-in voltage at 208V — critical for commercial applications where generic 24V coil substitutes will not function on a 208V control circuit, causing repeated no-start faults.
  • Install difficulty: 3/5 — Commercial voltage is present at this unit. Always disconnect and lock out all power sources before servicing. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, multimeter (to verify coil continuity and contact resistance). Photograph all wiring before disconnecting. Licensed HVAC technician installation strongly recommended.
  • Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Engineered as a direct OEM replacement for the Carrier ROA0500L5D. Verify your unit's control circuit voltage is 208V before ordering — this contactor will not operate correctly on a 24V control circuit. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — in stock and ready to ship 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 $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 ROA0500L5D?
Yes. This is the factory-specified OEM contactor for the Carrier ROA0500L5D. 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 ROA0500L5D?
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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