Programmable three-phase network monitoring relay, 3 phases, power supply voltage 100-350V DC, control of voltage difference between phases, control of percentage difference between phases, true RMS calculation (3.2 kHz), phase sequence verification (at unit startup), continuous monitoring of phase presence, monitoring of individual phase voltages, phase balance monitoring, activation and deactivation of two output relays based on programming (monitoring values and timing), display for easy programming, network parameter monitoring, and relay status visualization, configurable password access, 2-module width, Snap on DIN rail.