Manufacturer of electrical phase converters used to operate three-phase electrical equipment from single-phase power sources. The ADD-A-PHASE is most often used to power fan and pump motors. Available Duo ADD-A-PHASE units for dual motor lift station applications. Separate capacitor and control sections maintain redundancy. Other products such as rotary phase converters, power factor correction capacitors, and manual double-throw switches for backup power sources are available as well.