5.7.3. Earthing switch opening operation
1.
Move the yellow slider to the right (this releases the
access so the earthing switch can be disconnected).
2.
Insert the lever in the earthing switch access and turn
anti-clockwise 90º.
Figure 5.36.
Lever turn process
3.
Verify that the cubicle is in isolating position.
Figure 5.37.
Earthing switch open
IG-078-EN version 12; 23/04/2020
67
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
Summary of Contents for velatia cgmcosmos
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