Single / three-phase (or up to 3 single-phase loads) transducer / energy analyzer. 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 on Modbus register. Four operating time counters of the monitored load. 1 calibration LED. RS485 interface. Firmware update remotely. Size: 4 DIN rail modules. Power supply 230-240Vac. Complies with: EN 50470-1 + EN 50470-3.