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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