Ronk Type 4S Add-A-Phase Power Converter for 1-75HP, 480V Motor Features:
The TYPE S is our standard unit that handles most pump, air compressor, and fan and blower applications. (Single motor applications only). The TYPE S is a cost effective unit that operates constant horsepower loads more efficiently (approx. 97%) than other phase converters on the market. this high efficiency provides a much lower operating cost over the life of the converter. The Type 4S models convert a single phase 480 Volt to a three phase 480 Volt.