Phase-A-Matic 20 HP, 230V Voltage Balancer, UL Certified, VS-20
Why buy the Phase-A-Matic, Inc. “VS” Voltage Balancer?
IMPORTANT: Voltage Balancers are not to be utilized as a stand-alone product. They are meant to be paired only with our Rotary Converters and DO NOT allow you to regulate voltage beyond factory settings.
For utilize with Rotary Converter for 3-phase electronic equipment such as CNC/PLC machines, AC/DC drives, and all voltage-sensitive equipment. Supplys +/- 5% voltage stabilization.The normal operating voltage of the Rotary Phase Converter is 208-230VAC on the 220V “R” series Rotary Converter, and 460VAC on the 460V “RH” series Rotary Converter. The generated phase output voltage of the Rotary Phase Converter is normally higher than the input voltage under no load and light load situations. In applications with high single-phase voltage (greater than 230V on the 220V “R” series, and greater than 460V on the 460V “RH” series), the no load or light load output voltage may be excessive. Some CNC/PLC equipment will not work properly at the higher output voltage.
The Phase-A-Matic™ Voltage Balancer is designed to reduce this higher voltage to nearer the input voltage. It will also keep the output voltage stable during peak loads, thus assisting CNC/PLC equipment and other voltage-sensitive equipment to operate properly. Running very small motors alone on a Rotary Converter that is 3 times larger (or more) may not reduce the output voltage sufficiently, in which case the smaller motor may run hot. For these cases, to reduce cost it may be possible to utilize a dedicated Voltage Balancer sized to the requirements of the issue motor or load only. Consult factory.
Supplied in a NEMA type 1 enclosure with various sizes of knockouts.
Intended for indoor utilize only in dry locations, but can be placed in a rain tight enclosure for utilize in wet or damp locations.Select a Voltage Balancer at least as large as the load it will operate. It does not have to be as large as the Rotary Phase Converter being utilized.
Technical specs
- Voltage: 230V
- Largest Motor HP: 20 HP
- Unit Weight: 40 lb
- Unit Dimensions: 10 x 10 x 6 in
- Converter Series: VS






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