IG-273-EN version 03; 05/08/2020
38
Operations sequence General instructions
cpg.0 ENA range
Busbar coupling operations
Initial situation: Disconnector, earthing switch and
circuit-breaker open.
1. Move right hand SHUTTERS down to OPEN and insert
the lever in the right disconnector driving shaft lever
with the disconnector open symbol aligned with the
“I” in the Disconnector operation area (grey). Then
turn it CLOCKWISE. Check that the disconnector status
indicator on the right shows closed.
Figure 7.25. Bus section sequence (i)
2. Move left hand SHUTTERS down to OPEN and insert
the lever in the left disconnector driving shaft lever
with the disconnector open symbol aligned with the
“I” in the Disconnector operation area (grey). Then
turn it CLOCKWISE. Check that the disconnector status
indicator on the left shows closed.
Figure 7.26. Bus section sequence (ii)