... ,CB,ISO9001,14001,IEC 4) OEM YCB100, YCB200 frequency converter use special control method to achieve driving with function of high torque, high ... ItemDescriptionInputRated voltage,frequencyThree phase 380V~440V,50Hz/60Hz OutputAllowed workingvoltage scopeVoltage: 320V~460V,voltage imbalance rate: 3%,frequency±5% Rated voltage380VRated frequency0~65HzMain ...