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Sizing Chart

The following phase converter wizard has been used by American Rotary Engineers to successfully size tens of thousands of phase converters. For additional sizing assistance call 1-888-743-6832.

*If your power rating is different than horsepower (HP), use the below calculations (or see video below) to find the proper HP rating to input into the Phase Converter Wizard.

**Please note these calculations are for 208 – 240 volts. If you are in need of a different voltage setup please call to talk with one of our sales associates.


• 240v amps / 2.8 = 240v HP

• KW * 1.342 = HP

• KVA = HP

• Watts / 1000 * 1.342 = HP

Phase Converter Wizard


AI - Industrial Phase Converter

Industrial Grade Phase Converter

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ADX - Smart Phase Converter

Extreme Duty Digital Rotary Phase Converter

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AD - Digital Phase Converter

High Performance Digital Rotary Phase Converter

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AR - Pro Phase Converter

General Purpose Rotary Phase Converter

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For models 75 and larger please call us at 1.888.743.6832

5 Things You Should Know Before Buying a Phase Converter

In this video, Chris shares the 5 things you should know before buying a phase converter, including...

- What you need to run a phase converter

- How to determine the right size phase converter

- The right phase converter for your type of application

And much more!