Single / three-phase energy counter / analyzer (up to 3 single-phase lines) with blue backlit graphic LCD display. Measurement of the THD of voltage and current, neutral current, maximum and minimum voltage, maximum power and current, active energy of each phase. Phases sequence indication. Four operating time counters. 1calibration LED. RS485 interface. 2 digital inputs and 2 outputs with separate common terminals. Firmware update remotely. Size: 4 DIN rail modules. Power supply 230-240Vac. Complies with: EN 50470-1 + EN 50470-3.