IG-183-EN version 06; 31/03/2020
55
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
5.7. cgm.3-p cubicle
5.7.1. Opening operation from the grounded position
1. Move the actuation shaft access handle to its lower
position.
2. Insert the lever in the grounding switch actuation shaft
and with one hand press on the head of the lever and
with the other hand turn 90º anticlockwise.
3. Remove the lever. The handle returns to its original
position.
4. Verify that the cubicle is in disconnected position.
Figure 5.18. Opening operation from grounded position in cgm.3-p
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