UG 9075

  • To monitor fuses in single and 3-phase AC voltage systems
  • Under voltage detection below 0.7 x UN
  • No separate auxiliary necessary
  • 2 changeover contacts
  • 2 nominal voltages adjustable:
  • 3/N AC 240 V / 140 V or 3/N AC400 V / 230 V or
  • fixed nominal voltage: 3/N AC 110 V / 64 V
  • Adjustable operate delay
  • Energized on trip
  • Automatic adjustment to 50 Hz and 60 Hz mains frequency

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