For sale is a NEW, GS1 AC micro drive, 0.5 hp, 120V single-phase input, 230V three-phase output, V/F (volts per hertz) control mode. I bought it and never used it, now I have bought a factory with 3 phase and do not need it. Manual Link Here:http://www.automationdirect.com/static/manuals/gs1m/gs1m.html GS1 0.5 HP AC DRIVE 120V 1 PH INPUT 3 PH OUT