Variable Frequency Drive, Max. HP 3, Enclosure Chassis, Input Voltage 460VAC, Max. Output Amps 5.5, Output Voltage 460VAC, Input Phase AC 3, Output Phase AC 3, Starting Torque 200%, Torque @ 1 Hz 100%, Input Frequency 50/60 Hz, Output Frequency Range 0 to 240 Hz, Adjustable Acceleration Time 0.1 to 180 sec., Adjustable Deceleration Time 0.3 to 180 sec., Dynamic Braking Injection Braking, Height 7.8", Width 4.4", Depth 6.1", Control Type Keypad and Digital Display, Key Pad Lockout Yes, Start/Stop Control Run/Stop Pushbutton Std, Protection Electronic Inrush Current Limit (EICL), Ride Through, Regeneration Protection, Overload, Current Limit, Short Circuit, Overvoltage, Under voltage, Nuisance Tripping, Phase loss, MOV Input Transient Suppression, Control Method Sensor less Flux Vector with Static Auto Tune with Boost, Volts per Hertz, Accepts Input Control Signal Yes, Display Type Digital, Displays Set Frequency, Motor Frequency, Hertz, RPM, Custom Units, Motor Current, Motor Voltage, BWARNING: California ResidentsThis product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.