... , 5, 10, 15, 20, 30A 2) Maximum current: 6. 10, 12, 20, 40, 60, 8, 100A 3) Constant: 2,400, 1 ... 10) Rated voltage (Un): 220V 11) Rated frequency (fn): 50Hz 12) Voltage coil loss at 50Hz, Un: 1.0W/5VA 13 ... 1.2/50us: > 6kV 18) Rotor mass: 24g 19) Total meter mass: 1.5-1.6kg Single-phase Electromechanical Watt-hour Meter