IG-183-EN version 06; 31/03/2020
11
General instructions
cgm.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
Description and main characteristics
cgm.3-v
b
Pressure gauge window
c
Voltage presence indicator ekor.vpis / ekor.ivds
d
Operation area:
• YELLOW for earthing switch
• GREY for switch-disconnector
e
ekor.rpg protection unit
f
Status indicators
g
Earthing switch actuating shaft access handle
j
Spring change indicator
k
Circuit-breaker manual spring change
m
Operation counter
n
Switch-disconnector actuating shaft access handle
o
Circuit-breaker operation area
• RED pushbutton for opening
• GREEN pushbotton for closing
Figure 1.12. Mimic diagram of cgm.3-v cubicles
cgm.3-rb-pt
b
Pressure gauge window
c
ekor.vpis / ekor.ivds voltage presence indication unit
d
Operation area:
• YELLOW for earthing switch
e
Status Indicators
• GREEN open
• RED closed
f
Actuation shaft access handle
Figure 1.13. Mimic diagram of cgm.3-rb