IG-183-EN version 06; 31/03/2020
43
General instructions
cgm
.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
Recommended sequence of operations
5.3.3. Opening operation from the switch-disconnector closed position
1.
Move the actuation shaft access handle in the grey
zone to its lower position.
2.
Insert the lever in the switch-disconnector actuation
shaft and turn anticlockwise.
3.
Remove the lever, the handle returns to its original
position.
4.
Verify that the cubicle is in disconnected position.
Figure 5.6.
Opening operation from switch closed position in
cgm
.3-l