Ronk's ECONO-PHASE® Shifter and ADD-A-PHASE® static phase converters help provide balanced power to operate your systems. Cost effective three-phase power from your single-phase lines.
Autotransformer-capacitor type static converters are generally recommended for constant load applications, like most fans or pumps, with one or two motors. ADD-A-PHASE® offers very good starting torque, high efficiency, easily accommodates automated controls, and allows operation of the motor at its rated load.View our Phase Converter Usage Guide
Type HD ADD-A-PHASE® static three-phase converter is designed for critical use motors, community warning sirens and valve operators. For equipment that must operate under every condition.Learn More
Type SAC ADD-A-PHASE® static three-phase converter is designed for most commercial air conditioning systems.Learn More
Type SUB ADD-A-PHASE® static three-phase converter is designed for deep well submersible pump motors and submersible wastewater pump motors.Learn More
Type K-Duo ADD-A-PHASE® static three-phase converter is designed to operate multiple motors to their full load rating and normal overload.Learn More
The Ronk ECONO-PHASE® Shifter is a cost-effective, high efficiency power converter for popular use in pump jack application where Design D high-slip pump jack motors are used. 240V and 480V input and output units available.Learn More
Type S is our standard ADD-A-PHASE® static three-phase converter for most pump, air compressor, and fan and blower applications. Single motor applications only.Learn More