DD862 Mechanical type KWH Meter: 1. 220V,50/60HZ,Max. Current:100A 2. transparency case,black case 3.600hr DD862 ... watt-hour meterAPPLICATION DD862 single phase watt-hour meter is an induction meter which is applicable to measure the rated frequency ... 20(80),30(100)400%Ib0.5%IbAC Voltage 2kv for 1 minuteimpulse voltage 6kv DD862-42.5(5),3( ... -41.5(6),2.5(10),5(20),3(12),10(40),15(60),20(80),30(100)400% ...