General Instructions
General description
IG-136-EN version 10; 23/06/2016
6
cgm.3 system
Fully SF6 gas insulated medium voltage switchgear up to 40.5 kV in accordance with IEC Standards
1 General description
The cgm.3 system by Ormazabal, designed following the
requirements indicated by regulations of the International
Electrotechnical Commission (IEC), is made up of different
unifunctional and multifunctional switchgear models,
with full SF
6
gas insulation, which can be used to configure
different secondary distribution configurations in medium
voltage up to 40.5 kV
[1]
.
1.1 Models
Unifunctional switchgear Function
cgm.3-l
Feeder
cgm.3-s
Busbar switch
cgm.3-s-pt
Busbar switch with earth connection on the right (-ptd) or on the
left (-pti)
cgm.3-p
Fuse protection
cgm.3-v
Vacuum circuit-breaker
cgm.3-rb
Busbar rise
cgm.3-rc / -r2c
Cable/double cable rise
cgm.3-m
Metering
Multifunctional switchgear Functions
cgm.3-2lp
2 feeder functions and 1 fuse protection
cgm.3-2lv
2 feeder functions and 1 vacuum circuit-breaker
[1] Further information at www.ormazabal.com.