Digital three-phase line voltage monitor offering full line AND load side protection; fully programmable with 25-fault memory; 190-630 VAC - Spanish version (18-240 control VAC) Fully programmable with LCD diagnostic display in Spanish 25-fault memory storage,non-volatile Identifies front and back side faults Protects against: voltage unbalance, high/low voltage, phase loss, phase reversal, faulty power, incorrect sequencing and rapid short cycling Universal voltage operation: 190-630 VAC Â