Minilec Phase Failure Relays SPGD2 Supply Voltage System 100-120 / 220-240 / 380-440 V AC ±20% Auxillary 110/240/380/415/440 V AC/ 24 V AC/DC ±20%, 50 / 60 Hz Ext. Input Output Relay Contact Output Relay Contact 1 CO (2 CO) Input From CTS Trip Setting Phase to phase unbalance 50% of motor Current Un