American Rotary Sizing Chart

The following sizing method has been used by American Rotary Engineers to successfully size tens of thousands of phase converters. For additional sizing assistance call us +1.714.897.1700.

First, determine whether you require Single Loads or Multiple Loads. Then following the path and using the charts below, determine the Model Number of the converter you need.



Find the Load Type, then find the Load Rating


Note: Group loads according to machines that will be run at the same time. American Rotary recommends that all Type 4 loads be run on dedicated phase converters.