... DD862-4 50Hz,.,GB/T15283-1994IEC521.hour meter is a kind of induction meter.which is applicable to measure the rated ... -1994 and lntermational standard IEC521.Structure feature: ,,,,.The meter has separable electromagnet and the bearing has four kinds; ... 4 Accurocy(class):2Rated voltage(v):220-240Rated current(A):DD862,DD862-4 :2(4),2.5(5),3 ... impulse voltage 6kV DD862 Kilo-Watt-Hour Meter,energy meter