Ronk Type 4HD Add-A-Phase Power Converter for 1-40HP, 480V Motor
The Type HD unit is designed for equipment that must operate under most every condition. The Type HD is designed and built with components that allow for greater reliability on these types of applications. This unit has been successfully used on warning systems and on pipeline installations throughout North America. The Type HD can also be used on applications that require many starts per hour - 60 or more - due to the heavy duty components used in this unit. The Type 4HD models convert a single phase 480 Volt to a three phase 480 Volt.