5.2.6. Earthing operation from isolating position
1. Move the yellow slider to its right position (this releases
the lever access so the earthing switch can be closed).
2. Insert the lever in the earthing switch access (green/yellow
area), move the actuator arm to the end and turn
clockwise 90°.
Figure 5.10. Lever turn process
3. Verify that the cubicle is in earthing position.
Figure 5.11. Earthing switch closed
IG-296-EN version 01; 12/03/2020
40
Recommended sequence of operations General instructions
cgmcosmos: Medium voltage cubicles with full insulation
in SF
6
gas up to 24 kV in accordance with IEC Standard