YCB Variable Frequency Converter 50hz / 60hz to 400hz 1) Output:500pcs/day 2) OEM 3) ... CE,CB,ISO9001,14001,IEC YCB Variable Frequency Converter 50hz / 60hz to 400hz YCB100,YCB200 frequency converter use special control method ... general technical data ItemDescriptionInputRated voltage,frequencyThree phase 380V~440V,50Hz/60Hz OutputAllowed workingvoltage scopeVoltage: 320V~460V,voltage imbalance rate: 3 ...