3-phase voltage relay

Monitors overvoltages and undervoltages for 3-phase 3-wire or 4-wire power supplies, in one unit. Switch setting for 3-phase 3-wire or 3-phase 4-wire power supply.


  • Overvoltages or undervoltages: Operation time setting from 0.1 to 30 s
  • Relay warning status can easily be monitored using the LED indicator
  • Separate outputs possible for overvoltages and undervoltages
  • Reset method: Automatic
  • Power ON lock: 1 s or 5 s

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