... METERVOLTAGE:110V,220V,380V,440V......CLASS 1.0FREQUENCY: 45-55Hz,45-65hZ,55-65Hz,47-53HzPOWER FACTOR METER(COS§)VOLTAGE: 10V,220V ... ,380V,440V CURRENT: 1A OR 5AFOR IPHASE OR 3PHASECLASS ... -0.1ind, 0.7cap-1-0.2indPOWER METER(KW OR KVAR)VOLTAGE: 110V,220V,380V,440V CURRENT: 1A OR5AFOR IPIW,3P3W,3P4W ...