Alstom FKG1X - Page 53

Description and operation
Description of circuit breaker pole
G12
-
-1
09EN03
2/4
02--2011
© ALSTOM 2010. All rights reserved. Informat
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
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is subject to
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 GRID
Mechanism casing,
moving part section
Diagram
4
10
5
8
7
A
9
6
1
1
Circuit--breaker
Closed
Table of
the
compone
nts
The following table lists the components both within and around the casing:
M
a
r
k
C
o
m
p
o
n
e
n
t
F
u
n
c
t
i
o
n
4
In
su
la
te
d
mo
un
ti
ng
Pr
ov
id
es
CB
ph
as
e/
ea
rt
h
in
su
la
ti
on
5
3-
-pole
ope
rati
ng
sha
ft
Tra
nsmi
ts
mov
emen
t
betw
een
the
ope
rat-
ing mechanism and the poles
6
Op
e
r
a
ti
n
g
l
e
v
e
r
T
ra
n
s
mi
tsthemo
v
e
me
n
t
to
th
e
i
n
te
r
ru
p
te
r
chamber’s mobile contact
(1
1)
1
1
Mo
vi
n
g
co
n
ta
c
t
U
s
e
d
to
l
e
t
th
e
ra
te
d
c
u
r
re
n
t
fl
o
w
.
7
Br
e
a
k
in
g
d
i
s
k
Sa
fe
ty
s
y
s
te
m
–
gu
a
r
d
s
a
g
ai
n
s
t
o
v
e
r
p
r
e
s
-
sure in the chamber
8
SF
6
l
i
a
i
s
o
n
U
s
e
d
t
o
c
o
n
n
e
c
t
t
h
e
S
F
6
to the poles.
9
Mo
le
cu
la
r
si
e
ve
Ag
en
t
u
se
d
to
ab
so
rb
th
e
g
as
eo
us
br
ea
k-
down of SF
6
.