... .IEC 1036 international standard 3.RS485 output interface Good quality electric digital kwh meter Product brief introduction The DDS3666 ... the device typifying new periphery component, simple structure, high reliability,low power consumption, long life etc, is suitable for the ... load: current overload ratio>6 Low power consumption: consumption of meter itself<1w High reliability: MTBF>105 Weight: <0. ...