IG-183-EN version 06; 31/03/2020
60
Recommended sequence of operations
General instructions
cgm.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
3. Pull up the handle on the fuse holder cover until the
locking clip is unhooked and then pull sharply outwards
to open the fuse holder.
Figure 5.24. Opening the fuse holder
4. Remove the fuse holder carriage by pulling it outward.
Figure 5.25. Removing the fuse holder carriage
5. Replace the blown fuse, taking special care with the
striker as shown in the gure.
Make sure that the end of the new fuse with the
striker faces the carriage insulator end. It is advisable
to change all three fuses, even if only one of them
appears to be damaged.
Figure 5.26. Changing the medium voltage fuse
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