21
Recommended sequence of operations
Operation instructions
cgm.
3
ENA type
IG-235-EN version 02
Fig. 2.29:
Earthing from open position for AV-EF and
RAV-EF (3G) mechanisms
2.7
cgm.
3-v
switchgear with driving
mechanism A(M)V and RA(M)V (3G)
2.7.1
Opening operation from the earthing
position
Initial conditions:
Earthing switch closed and circuit
breaker closed.
1)
Move and hold the access lever in the yellow
actuation area to its lower position.
2)
Insert the handle in the earthing actuation shaft and
turn anticlockwise.
3)
Remove the handle. The lever returns to its original
position.
When undertaking work with the switchgear
powered down, it is mandatory to interlock the
earthing position with either a padlock or a safety
lock.
