5.3.6. Earthing operation from isolating position
Start with the switch (3) and the earthing switch (4) in open
positions. Operate the lever in the indicated direction until
the nal situation indicated in Figure 5.18 is achieved.
Figure 5.18. Lever turn process
IG-296-EN version 01; 12/03/2020
45
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