... (ib): 1.5, 2.5, 3, 5, 10, 15, 20, 30A 2) Maximum current: 20-100 Specifications:1) Nominal current (ib ... , 3, 5, 10, 15, 20, 30A 2) Maximum current: 6. 10, 12, 20, 40, 60, 8, 100A 3) Constant: 2,400, 1 ... % ib 16) AC voltage 50Hz, 1 min: a) Between line and earth: 2.5kV b) Between line: 600V 17) Impulse voltage ... mass: 24g 19) Total meter mass: 1.5-1.6kg Single-phase Electromechanical Watt-hour Meter