... -the die-casting frame is made of alloy aluminum-meter bearing has three kinds,may select dual jewel,magnetc thrust or magnetic ... )A, 15(60)A, 20(80)A, 30(100)ABasic voltage : 3X220/380VFrequency:50HzAccuracy:class 2 CharacteristicsLard load range , lifetime of ... ,gear friction is small ,high stability, reliability ,easy to maintainElectric function confirm with IEC 521 internation standard.