IG-123-EN version 11; 23/07/2021
67
General instructions
cpg.0: GIS medium-voltage switchgear,
gas insulated, up to 40.5 kV,
in accordance with IEC Standard
Operations sequence
Disconnection
1. Move the actuating shaft access handle to its bottom
position.
2. Insert the lever in the earthing switch actuating shaft,
move the drive arm to the end and press inwards on
the head of the lever with one hand, and turn 90º anti-
clockwise with the other hand.
Figure 7.72. Situation prior to turning the lever
3. Verify that the cubicle is in isolating position.
Figure 7.73. Earthing switch opened
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