5.7.4. Earthing switch connection operation
1.
Move the yellow slider to the right (this releases the
lever access so the earthing switch can be connected).
2.
Insert the lever in the earthing switch access and turn
clockwise 90º.
Figure 5.38.
Lever turn process
3.
Verify that the cubicle is in earthing position.
Figure 5.39.
Earthing switch closed
IG-078-EN version 12; 23/04/2020
68
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
Содержание velatia cgmcosmos
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