Three-phase line voltage monitor offering full line AND load side protection, fully adjustable, 190-630 VAC (18-240 control VAC).
Monitors "front" and "back" sides of system
Universal voltage operation: 190-630 VAC
Knob-adjustable features and system set points
Protects against voltage unbalance, high/low voltage, phase loss, phase reversal, faulty power, incorrect sequencing and rapid short cycling