... OEM 3) CE,CB,ISO9001,14001,IEC YCB Single Phase Frequency Converter 50hz 60hz YCB100,YCB200 frequency converter ... cabinet YCB100 general technical data ItemDescriptionInputRated voltage,frequencyThree phase 380V~440V,50Hz/60Hz OutputAllowed workingvoltage scopeVoltage: ... of missing phase over current, over voltage, under voltage, overheating and overload YCB Single Phase Frequency Converter 50hz ...