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RONK Static Phase Converters For Balanced Power

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.


ADD-A-PHASE® Static Three-phase Converters

Static Phase ConvertersType-SStatic Phase ConvertersType-AAStatic Phase ConvertersType-HDStatic Phase ConvertersType-SACTYPE SUBType-SUBStatic Phase ConvertersType-K-Dou

ECONO-PHASE® Shifter Three-phase Converters

TYPE PS-OFType-2PS-OFTYPE PS-OFType-4PS-OF


Rotary Phase Converters

RONK POWRSOFTPOWRSOFT®ROTO-CON TYPE PROTO-CON® Type PROTO-CON TYPE PROTO-CON® Type D-1ROTARY PHASE CONVERTERSROTO-CON® Center PivotROTOVERTER-TYPE CROTOVERTER® Type CROTOVERTER-TYPE DROTOVERTER® Type DROTO-LOAD-CENTERROTO-LOAD CENTER®


RONK Static Three-phase Converters

ADD-A-PHASE® 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.

ADD-A-PHASE® Type AA – static three-phase converter is designed to handle loads for hydraulic elevators, balers and compaction equipment.

ADD-A-PHASE® Type HD – is designed for critical use motors, community warning sirens and valve operators. For equipment that must operate under every condition.

ADD-A-PHASE® Type SAC – is designed for most commercial air conditioning systems.

ADD-A-PHASE® Type SUB – is designed for deep well submersible pump motors and submersible wastewater pump motors.

ADD-A-PHASE® Type K-Duo – is designed to operate multiple motors to their full load rating and normal overload.

ECONO-PHASE® Shifter Type PS-OF – 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.


RONK Rotary Phase Converters

POWRSOFT® Rotary Soft-start Controller is designed to soft start Ronk rotary phase converters.

ROTO-CON® Rotary Phase Converter Standard Type P converter provides smooth, reliable 3-phase power from single-phase lines. Best suited for operating motors that do not operate continuously at high load levels and for non-motor loads.

ROTO-CON® Rotary Phase Converter Standard Type D-1 converter provides smooth, reliable 3-phase power from single-phase lines. ROTO-CON Type D-1 is designed for applications with a single high starting torque motor or resistive loads with tighter voltage tolerances.

ROTO-CON® Center Pivot Type CP has been specifically designed to operate a wide variety of center-pivot irrigation systems. They are easily installed, require minimal maintenance, and will give you years of trouble-free service.

ROTOVERTER® Type C tap adjustments give you control over all three phases for balancing currents. Type C ROTOVERTER® models are recommended for multiple loads of varying horsepower ratings up to 100 HP.

ROTOVERTER® Type D tap adjustments give you control over all three phases for balancing currents. Type D ROTOVERTER® models are recommended for applications where a single load (of either single or multiple motors up to 42 HP) is operated and for non-motor load applications.

ROTO-LOAD CENTER® is designed for applications with 3Ø electronic equipment or systems with line-to-neutral circuits that
cannot be modified. Prewired and packaged specifically to reduce the number of field connections.

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