IG-284-EN version 03; 06/05/2020
61
General Instructions
cgm
.800: Medium-voltage switchgear with integrated insulation in SF
6
gas
up to 36 kV in accordance with IEC Standard with rated current up to 800 A
Recommended sequence
of operations
4. Switch-disconnector earthing operation
a. Manual operation
.
Insert the lever in the earthing switch driving shaft,
move the driving arm to the end and turn clockwise
90º.
b. Motorised operation
(B2M driving mechanism).
Activate the corresponding operation command.
Figure 5.54.
Lever turn details
5.
Remove the lever. The handle returns to its original
position. Verify that the cubicle is in earthing position.
When undertaking work with the cubicle powered
down, it is mandatory to interlock the earthing
position with either a padlock or a safety lock.
Figure 5.55.
Earthing switch closed
Summary of Contents for velatia cgm.800
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