■ Compact modular size
■ Support 3-phase 3-wire or 3-phase 4-wire power supply.
■ Switchable 8 level rated voltage
■ Three-phase monitoring of phase sequence, phase loss, over- and undervoltage and phase unbalance
■ Neutral loss monitoring
■ Adjustable over- and undervoltage threshold
■ Adjustable trip time
■ Powered by the measuring circuit
■ 2 C/O contact
■ 5 LEDs for status indication