IG-183-EN version 06; 31/03/2020
41
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. cgm.3-l cubicle
5.3.1. Opening operation from the grounded position
1. Move the actuation shaft access handle in the yellow
zone to its lower position.
2. Insert the lever in the grounding switch 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 5.4. Opening operation from grounding position in cgm.3-l
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