Rotary Phase Converter AR10-10HP 1 to 3 Three PH Made is USA Best for: 5 HP General Purpose, motor loads, combination loads, light to moderate loads. For a 10HP load, see our AR20 Single motor start: 5HP | CNC: 5HP/3.7kW | Resistive: 14 amps Country of Manufacture: United States Manufacturer:American Rotary Made: Made in USA