Fuji Electric EW50EAG - Protecting low-voltage circuits

3
Chapter 1
CONTENTS
Protecting low-voltage
circuits
1-1 Description ................................................................................................................4
1-2 Overcurrent protection
1-2-1 Overcurrent fault .............................................................................................................5
1-2-2 Overcurrent protection ....................................................................................................5
1-3 Phase-loss protection
1-3-1 Phase-loss fault ...............................................................................................................6
1-3-2 Phase-loss burnout protection (three-phase circuit) .......................................................6