... , scrape plane, coal feeder, fans, pumps and oil pumps.technical parametersRated input featureAC 380V, AC 660V, AC 1140V;50Hz~ ... 60s; 200% rated current 10sRated output feature0~rated input voltage; 0~600HzMain controlControl wayVector control or V/F ... , output frequency, current, power, motor speed, load rate, input and output torque, etc.Fault status displayOvervoltage, undervoltage, over load, ...