Recommended sequence of operations
General instructions
IG-136-EN version 10; 23/06/2016
53
cgm.3 system
Fully SF6 gas insulated medium voltage switchgear up to 40.5 kV in accordance with IEC Standards
3. Verify that the cubicle is in closed position.
Figure 5.44 Switch-disconnector closed
5.8.5 Opening operation from the switch-disconnector closed position
1. The switch can be opened manually, using the push-
button on the front of the cubicle, an opening coil, or
due to action by the fuses.
Figure 5.45 Switch-disconnector manual trip drive
2. Verify that the cubicle is in disconnected position.
Figure 5.46 Switch-disconnector open
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