... , 20, 30A 2) Maximum current: 20-100 Specifications:1) Nominal current (ib): 1.5, 2.5, 3, 5, 10, 15, ... 20, 40, 60, 8, 100A 3) Constant: 2,400, 1,400, 1,200, 720, 360, 240, 180, 120r/kW/h 4) ... fn): 50Hz 12) Voltage coil loss at 50Hz, Un: 1.0W/5VA 13) Current coil loss at 50Hz, ib: 0 ... 17) Impulse voltage 1.2/50us: > 6kV 18) Rotor mass: 24g 19) Total meter mass: 1.5-1.6kg Single-phase Electromechanical Watt ...