IG-183-EN version 06; 31/03/2020
68
Recommended sequence of operations
General instructions
cgm.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
5.10.2. Closing operation from the open position
Initial conditions: Grounding switch open, circuit-
breaker closed and springs charged.
Figure 5.37. B/BM Driving mechanism lever
1. Open the circuit-breaker by pressing the “0” button on
the front push-button and check the status indicator.
Figure 5.38. Press the “0” button
2. Move the access handle in the grey zone to its lower
position.
Figure 5.39. Move the handle in the grey area
To Next Page
Loading...