... 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 ... the function of measuring the accumulative active energy (bi-direction) with LED power supply and phase loss indicators.5. Pulse output ... 1.5W (5VA)Current Loop Consumption≤1VA DDS5558 Electronic watt-hour meter