PMR3-70

Voltage Monitoring Relay - 3 phases - Plug In - Selectable Range 190-200-208-220-230-240-250 & 380-400-416-440-460-480-500V. Monitors Adjustable Undervoltage and Fixed Overvoltage (110% of Range) - Phase Failure - Sequence - Asymmetry 2-10% (With Off Option). Adjustable Time Delay 0.3-30S Incl. Optional Restart Time Delay 1-300S. Optional Memory Function - 2x Output Contact