... short terminal cover 3.IEC62053-21 DD862 single phase mechanical power meteris a kind of induction meter, which ... types wiring optional, standard or special one;♦Single component measures single-phase two-wire active energy consumption,Complying ... ), 5(20), 5(30), 10(40), 15(60), 20(80), 30(100)400%Ib0.5%IbAC Voltage ... 2kV for 1minute,1.2/50 μs waveform impulse voltage 6kV*Please advise us if ...