Ormazabal cgm.3 system Series - Earthing Operation from the Open Position

General instructions
Recommended sequence of operations
IG-136-EN version 10; 23/06/2016
62
cgm.3 system
Fully SF6 gas insulated medium voltage switchgear up to 40.5 kV in accordance with IEC Standards
Figure 5.71 Lever turn detail
5. Remove the lever. The handle returns to its original
position. Verify that the cubicle is in disconnected
position.
Figure 5.72 Switch-disconnector open
5.10.6 Earthing Operation from the open position
Initial conditions: circuit breaker open,
earthing switch open and springs charged.
1. Close the circuit-breaker by pressing the "l" close
button and check the status indicator.
Figure 5.73 Closing button detail
2. Check that no voltage is present through the
ekor.vpis unit.
3. Move the access handle in the yellow zone to its
lower position.
Figure 5.74 Handle detail