IG-123-EN version 11; 23/07/2021
45
General instructions
cpg.0: GIS medium-voltage switchgear,
gas insulated, up to 40.5 kV,
in accordance with IEC Standard
Operations sequence
If the spring charging status indicator on the circuit-breaker
shows DISCHARGED: move the access interlock cover to the
right and insert the spring charging lever.
Turn ANTI-CLOCKWISE approximately one and a half turns
until the indicator changes to springs CHARGED.
Figure 7.17. Spring charging sequence
Figure 7.18. Springs charged indicator
Press the "I" pushbutton to connect the circuit-breaker. The
circuit-breaker status indicator should show CLOSED.
Figure 7.19. Circuit-breaker closed indicator
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