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OEM Carrier 3-Pole Contactor 208/240V 40A HN53CD209 — RSA0500L5D
Carrier

OEM Carrier 3-Pole Contactor 208/240V 40A HN53CD209 — RSA0500L5D

SKU: CARRIE-RSA0500L5D-CONTACTOR-HN53CD209 Brand: Carrier
Guaranteed to fit RSA0500L5D — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 3-Pole Contactor 208/240V 40A HN53CD209 for Model RSA0500L5D

This is the genuine OEM factory-specified contactor for the Carrier RSA0500L5D commercial condensing unit. The contactor is the high-voltage relay that controls power delivery to the compressor and condenser fan motor. When the thermostat calls for cooling, the 24V control circuit energizes the contactor coil, closing the contacts and sending line voltage to the condensing components. A failing contactor typically presents as the unit refusing to start, audible chattering or humming at the disconnect, the system running continuously without shutting off, or visibly pitted and burned contact points.

  • Specs: 3-Pole | 208/240V Coil | 40A Full Load Amps (FLA) | 50A Resistive | Factory OEM part number HN53CD209 | Genuine Carrier RCD Parts
  • OEM vs Generic: OEM contactors are manufactured to Carrier's exact contact gap, spring tension, and coil pull-in voltage specs. Generic substitutes may have looser tolerances, leading to premature contact pitting, coil chatter, and compressor damage from voltage drop across worn contacts.
  • Install difficulty: 3/5 — Line-voltage work; always shut off power at the disconnect and verify with a non-contact voltage tester before touching any terminals. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before removing the old contactor. A licensed HVAC technician is recommended for commercial equipment.
  • Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Direct OEM replacement for Carrier model RSA0500L5D commercial condensing unit. The 208/240V coil on the HN53CD209 is specifically required for units wired to 208/240V control circuits — do not substitute a 24V coil version. Verify your unit's data plate and control wiring before ordering. Have a question about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us 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 OEM Carrier 3-Pole Contactor 208/240V 40A HN53CD209 — RSA0500L5D?
Yes. This is the factory-specified OEM contactor for the Carrier OEM Carrier 3-Pole Contactor 208/240V 40A HN53CD209 — RSA0500L5D. 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 OEM Carrier 3-Pole Contactor 208/240V 40A HN53CD209 — RSA0500L5D?
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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