IG-273-EN version 03; 05/08/2020
40
Operations sequence General instructions
cpg.0 ENA range
2. Move left hand SHUTTERS down to OPEN and insert the
lever in the left earthing switch driving shaft lever with
the earthing switch open symbol aligned with the “I” in
the earthing switch operation area (yellow). Then turn
it CLOCKWISE. Check that the earthing switch status
indicator on the right shows closed.
Figure 7.29. Right busbar earthing sequence (ii)
3. Press the “I” pushbutton to close the circuit-breaker. The
circuit-breaker status indicator shows closed.
Whenever the springs are discharged, charge as
explained in the section "7.1.1. Circuit breaker
and switch-disconnector (cpg.0-v and cpg.0-l)" →
"Connection"
Figure 7.30. Right busbar earthing sequence (iii)
To uncouple the busbars, reverse the sequence of operation.