...U Ideal for Monitoring 3-phase Power Supplies for Industrial Facilities and Equipment. 17.5 mm (W). One SPDT output relays Three-phase Undervoltage and Phase-sequence Phase-loss Relay Item li...
...deal for 3-phase Voltage Asymmetry Monitoring for Industrial Facilities and Equipment. 22.5 mm (W). One SPDT output relays Three-phase Asymmetry and Phase-sequence Phase-loss Relay Item list ...