Variable Frequency, Max HP 30, Max Output Amps 43, 460 Voltage, 460 Voltage Output, Input Phase AC 3, Output Phase AC 3, Starting Torque 150 %, Torque @ 1 Hz 200 %, Frequency Setting 50/60 Hertz, Output Frequency 0.1-400 Hertz, Acceleration Adjust .01-3600 Sec, Deceleration Adjust .01-3600 Sec, Dynamic Braking, Open Enclosure, Height 11 In, Width 13 In, Depth 19 45/64 In, Agency Compliance cULus, CE