1) DDS881electric energy meter 2)High reliability 3)CE,CB,ISO9001,14001,IEC 4) ... meter to drive stepping motors and counters add up energy degrees.Main technical parameter:TypeAccurancy(class) Reference voltage(v) Rated current(A) DDS881 1 ... 220 1.5(6),2.5(10),5(20),10(40),15(60),20(80),30(100)Dimension: DDS881 electronic energy meter(KWH Meter)