20 VA power supply

Thermal Protection: Inherently manages current flow based on temperature to protect against electrical strain during frequent cycling

The 40A rating applies to inductive loads like compressor motors

Using a 24V unit without a transformer will result in immediate failure

For contractors managing commercial refrigeration or large-scale cooling plants

Carrier HK38EA023 Circuit Board 322838-752 20 VA power supplyThe Carrier HK38EA023 is a genuine OEM defrost control board designed for high performance Carrier, Bryant, and Payne heat pump systems. As a direct replacement for the obsolete HK38EA015, HK38EA010, and HK38EA008 models, this board provides the necessary logic to manage defrost cycle termination and outdoor fan operation. In cold weather conditions, the Carrier HK38EA023 monitors the outdoor coil temperature via the liquid line thermistor to prevent