Three-phase line voltage monitor offering protection against phase loss/reversal and unbalance; 50/60 Hz, 190-600 VAC (115 or 208/240 control VAC) Low cost 3-phase protection for single side Monitors for phase reversal, phase loss, unbalance % as a function of input voltage Bright LED indicators for ON and FAULT Universal 3-phase input: 190-600 VAC Control voltage input 115, 208/240 VAC Epoxy encapsulated for moisture protection Â