5.5.5. Opening operation from closed position
Initial conditions: Circuit-breaker closed and switch-
disconnector closed.
1. Open the circuit-breaker by pressing the opening
button and check the status indicator.
2. Check there is no voltage in voltage indicator.
3. Move the slide in the red area to the left.
Figure 5.40. Closing button detail
Figure 5.41. Slide detail and indication of circuit-breaker
IG-296-EN version 01; 12/03/2020
57
General instructions
cgmcosmos: Medium voltage cubicles with full insulation
in SF
6
gas up to 24 kV in accordance with IEC Standard
Recommended sequence of operations