AC Three Phase HT/CT Multifunction Net meter DLMS Complaince of Accuracy Class 0.5, 3 X 63.5V, 50Hz with Optical & RS232 Port, Backlit LCD Display, (Measures Import kWh, kVAh, Export kWh, kVAh, Net kWh, kVAh,V,I,kW, 6 months history of Energy, Load survey, TOD, Tamper detection & logging, Power On/Off Events, instantaneous parameters of Rating -/5A with display in absence of power.