ADD-A-PHASE®

Often referred to as a "static" phase converter, the RONK ADD-A-PHASE® is actually a full load, autotransformer-capacitor style converter. Many misconceptions are construed toward the ADD-A-PHASE® because of this. The idea that the ADD-A-PHASE® is limited to one motor load only is absolutely false. There are ADD-A-PHASE® in operation now operating up to 6 motors, at full load, from one single unit.

The RONK ADD-A-PHASE® is still the most efficient phase converter manufactured today. The design allows adjustment to provide balanced three-phase power at any motor load up to the converters rating. The high efficiency (97%) and low standby losses make the ADD-A-PHASE® ideal in most automated applications.

The autotransformer design of the ADD-A-PHASE® allows the capability to dictate the output voltage, therefore eliminating the need for costly external step-up or step-down transformers.

Through the years, variations of the standard ADD-A-PHASE® have been designed to suit specific applications. Click on "type" below for more information.
 

• "SAC" - For Air Conditioning Compressors (only)
• "SUB" - For Submersible Water Pumps
• "AA" - For Passenger Elevators, Hydraulic Balers & Compactors
• "DUO, TRIO, & QUAD" - For multiple motor applications. (Duplex Lift Stations, Water Booster Stations, HVAC Units, etc.)

For standard motors (water pumps, air compressors, fuel pumps, etc.) Click on the Application Guide to submit for sizing and recommendation.

Click here to return to the Application Guide.