... 2,small inverter VSD 3,CE,SGS,ISO9001 4,multi-function,high torque 5, CE, CCC, SGS, ISO9001 VFD 440V0.4 ... frequency inverter, small ac drive, small converter, small VSD --- (0.4-11KW) general-purpose vector converter, saving energy2. Features OF SY8000 ... .Automatic identification of motor parameters, automatic temperature compansation..Start by excitation, speed up the rapid response to vector control ...