... current: 20-100 Specifications:1) Nominal current (ib): 1.5, 2.5, 3, 5, 10, 15, 20, 30A 2) Maximum current: 6. ... 1,400, 1,200, 720, 360, 240, 180, 120r/kW/h 4) Rotor speed at ib: 13.2 r/min ... 7) Overload capacity: 400% ib 8) Accuracy: class 2.0 9) Service life: 10 years 10) Rated voltage (Un): 220V ... 6kV 18) Rotor mass: 24g 19) Total meter mass: 1.5-1.6kg Single-phase Electromechanical Watt-hour Meter