... /day 3)CE,CB,ISO9001,14001,IEC 4)OEM DDS Electronic Single-phase Energy Meter,Electric Energy Meter,kWh Meter,Power Meter ... ,Iron base, ABS cover, digital Three-phase Static Active Electronic Energy Meter,Electric Energy Meter,kWh Meter,Power MeterMain Characteristics ... Loop Consumption≤1.5W (5VA)Current Loop Consumption≤1VA DDS5558 Electronic watt-hour meter