Single / three-phase energy analyzer suitable for harsh environments. With white / blue backlit graphic LCD display. Measurement of the THD on voltage and current, of the neutral current, maximum and minimum voltage, maximum current and power and of the active energy of each phase. Four operating time counters of the monitored load. 2 calibration LEDs. RS485 interface. Size 6 DIN rail modules. 230Vac power supply. Complies with EN 50470-1 + EN 50470-3.