Carrier HN52KD020 Contactor

The Carrier HN52KD020 Contactor is a heavy-duty, 2-pole 40-amp 24V contactor designed for reliable switching in high-demand HVACR systems. As a direct replacement for HN52KD025, this OEM component ensures seamless HVAC contactor replacement for Carrier, Bryant, and Payne residential and commercial units. High-amperage 40A contacts allow for high-power switching of compressors and condenser fan motors, while the 24V coil voltage integrates perfectly with standard low-voltage control circuits.

Engineered for Carrier part HN52KD020 specifications, this definite purpose contactor features a quick make-and-break mechanism to minimize arcing and prevent pitting. The robust double-pole configuration provides effective circuit isolation, making it essential for HVAC electrical parts maintenance and repairs. Whether you are dealing with a Carrier AC contactor failure or conducting a system upgrade, this 40-amp 2-pole relay offers the precise 24VAC coil response required for consistent performance in R-410A systems and other rigorous applications.

• OEM Compatibility: Serving as the direct replacement for HN52KD025, it eliminates mounting and wiring discrepancies during installation.
• High Load Capacity: Rated for 40 amps to handle the startup inrush current of large residential and light commercial compressors.
• Field Reliability: Constructed with silver cadmium oxide contacts to resist sticking and ensure a longer service life in harsh environments.
• Standardized Terminal Layout: Features screw terminals and quick-connect lugs for efficient field wiring by contractors.

Is the Carrier HN52KD020 compatible with 208/230V systems?
Yes. While the coil is 24V for control circuit integration, the contacts are rated to switch higher voltages, typically found in 208-230V single-phase HVAC equipment.

What was the previous part number for this contactor?
The HN52KD020 is the current HVAC contactor replacement for the discontinued HN52KD025 part number.

Can I use this 40-amp contactor to replace a 30-amp model?
Usually, yes. Upgrading to a 40-amp contactor provides a higher safety margin for the electrical load, provided the 24V coil and physical dimensions match your housing.

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.