The PMDU provides protection for any 190-500 V three-phase system. The relay is energized and the LED is on when the phase sequence and all voltages are correct. Any one of the five fault conditions will de-energize the relay and provide fault indication with the LED.
Features:
Universal Voltage: One Unit Works on Any 190-500 V System Line to Line
Adjustable Settings on Undervoltage (80-95% of Nominal), Time Delay on Undervoltage Trip and Start-Up and Phase Unbalance Setting (2-10%)
Choice of Automatic or Manual Reset
52.5 mm Din Rail
Bi-Color LED Indicates Both Normal and Actual Fault Condition
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