... converter, VFD, variable frequency drive, VSD, variable speed drive, AC motor drive, energy saver, speedchanger, variator, speed controller1 Features of ... 2> Pulse/analog input output channels;3> 8 segments speed control;4> Bears automatic voltage regulation (AVR) and automatic current limiting ... of spinning devices; Power range: 0.2kw~1.5kw 220V; 0.75kw~1.5kw 380V Input volt.1phase 220V/230V ± ...