... SGS, ISO9001.Multi-function, high torque..accurate, silent vector control.. soft starter1 .small frequency inverter, small ac drive, small converter, small VSD ... high performance, high reliability.Automatic identification of motor parameters, automatic temperature compansation..Start by excitation, speed up the rapid response to vector ... parameters. SY8000G 0.4~400KW High performance S-Curve VSD 220V