5.2.3. Opening operation from the earthing position
1. Move the yellow slider to the right (this releases the
access so the earthing switch can be opened).
2. Insert the lever in the earthing switch access, move the
actuator arm to the end and turn anti-clockwise 90°.
Figure 5.4. Lever turn process
3. Verify that the cubicle is in isolating position.
Figure 5.5. Earthing switch open
IG-296-EN version 01; 12/03/2020
37
General instructions
cgmcosmos: Medium voltage cubicles with full insulation
in SF
6
gas up to 24 kV in accordance with IEC Standard
Recommended sequence of operations