Alstom FKG1X - Description of Circuit Breaker Pole

Description and operation
Description of circuit breaker pole
G12
-
-1
09EN03
1/4
02--2011
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ion contained in
this document is indicative only. No
representati
on or
warrant
y is
given or should
be
relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
provided without liabili
ty and
is subject to
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 GRID
Active parts
Description
The
active
section
of
the
circuit
breake
r
compris
es:
-
-
The mechan
ism casing (
A)
-- on the side of the moving part,
-
-
The interrup
ter chamber (
C
) – in a composite envelope (1),
-
-
The casi
ng (
B
) -- on the side of the fixed section.
Diagram
1
2
3
C
A
B
Circuit--breaker
Open
Description
The
com
pos
ite
env
elo
pe
(1)
enc
los
ing
the
inte
rrup
ter
cha
mber
sep
ara
tes
the
two
casi
ngs
,
pro
vidi
ng
insu
lati
on
betw
een
the
inc
omin
g
and
outg
oin
g
sec
tion
s
of the circuit breaker.
The
cu
rre
nt
so
ck
ets
(2
&
3)
sit
ua
ted
in
the
ex
ten
si
on
s
to
thecasi
ng
s,
ar
e
us
ed
to provide connections to the busbars.