American Rotary 

American Rotary has been making premium rotary phase converters for more than 20 years.  American Rotary provides industry leading telephone support for technical, application, and sizing questions.  American Rotary stands behind its products with the best warranty in the industry.  American Rotary uses premium components to ensure that its products perform for you.  American Rotary is a UL Certified Control Panel Builder, and its rotary phase converters are available UL Listed to US and Canadian Safety Standards. American Rotary has partnered with Baldor Electric one of the world’s largest and most respected manufacturers to supply its custom-engineered idler/generators

Phase Technologies

Phase Technologies has developed phase converters with twice the starting capability of a rotary phase converter with 98.7% efficiency and 2% voltage balance, all in a smaller footprint than a rotary. Phase Perfect® digital phase converters use modern, solid-state electronics to create utility-quality three-phase power anywhere. Robust and durable, these phase converters are capable of powering any load. Over 20 years of development has led to a phase converter capable of running everything from hard-starting motors to equipment with delicate embedded electronics.