Carrier HN52KD024 Contactor

Carrier HN52KD024 Contactor

Carrier

  • $294.00


The Carrier HN52KD024 Contactor is a mission-critical OEM replacement part designed for high-performance switching in residential and light commercial HVAC systems. This definite purpose contactor features a 24V coil and a 2-pole (2P) configuration, engineered to manage high-current loads up to 32 amps. It serves as a direct replacement for various Carrier, Bryant, and Payne condensing units and heat pumps, ensuring that components like compressors and condenser fan motors receive stable power during the cooling and heating cycles.

Constructed with durable materials and silver cadmium oxide contacts, the HN52KD024 is built to resist pitting and welding under heavy electrical arcing. The double pole design provides a complete electrical break for added safety in the field. When troubleshooting a system that fails to start or exhibits chattering, this 32A contactor provides the exact electrical specifications required to maintain factory-standard performance. Its standard bracket mounting and 1/4-inch quick-connect terminals allow for efficient installation during service calls.

Key Benefits

  • OEM Compatibility: Genuine Carrier HN52KD024 ensures precise fitment and electrical matching for compatible HVAC systems.
  • High Amperage Rating: Rated for 32 FLA (Full Load Amps) to handle demanding compressor startup loads.
  • Low Voltage Control: The 24V AC coil integrates seamlessly with standard 24-volt thermostat control circuits.
  • Robust Switching: 2-pole configuration provides reliable line-to-load isolation for 208/230V applications.
  • Reduced Arcing: High-grade contact surfaces minimize carbon buildup, extending the operating life of the switch.

Common Questions

What are the symptoms of a failing Carrier HN52KD024 contactor?

Technicians often look for "pitting" on the contacts, a burnt smell near the control box, or a "humming" sound. If the 24V signal is present at the coil but the plunger fails to pull in, the coil is likely open and the part requires replacement.

Can I use this contactor as a replacement for other 32-amp models?

While this is a specific Carrier OEM part, it can serve as a replacement for 2-pole, 24V contactors with an equal or lower amp rating, provided the mounting footprint and terminal layout are compatible. Always verify FLA and RLA ratings before substitution.

Why is there a burnt mark on one of the poles?

This is typically indicative of electrical arcing caused by loose wiring or worn contacts. A burnt pole increases resistance, leading to potential compressor damage if voltage drop becomes significant.

Item is Non Cancelable / Non Returnable

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

QUESTIONS & ANSWERS

Have a Question?

Be the first to ask a question about this.

Ask a Question