GE AKF-1C User Manual

X
.
'
H
-
'
Installation
and
Operation
0
i
Type
AK
Power
Circuit
Breakers
GEH
-
2021
charged
mechanism
atm
liar
to
the
one
used
AK
-
50
/
7
S
/
100
electrically
operated
breakers
.
AK
-
2
-
fiO
/
75
/
l
00
breakers
are
closed
by
rotating
the
closing
handle
counterclockwie
©
through
approxi
-
mately
120
degrees
,
and
then
clockwise
degrees
to
the normal
on
manual
I
OTt
-
Cjj
oux
*
rv
i
“
T
^
WtTCS
|
—
il
-
J
REMOTE
OL
06
C
CLOtm
T
*
‘
F
P
«
M
SWHCH
~
r
^
T
4
^
4
*
^
4
=
^
-
sis
.
#
\
\
L
_
~
—
baefe
—
throu
Jiandie
position
.
Four
such
complete
move
-
menta
of
the handle
arc
required
to
close
w
the
breaker
.
During
the
four
counterclock
'
’
wise
movements
and
the
first three
clock
-
wise
movements
of
the
handle
,
the
springs
•
;
?
charged
,
After
approximately
70
de
-
crees
travel
of
the
fourth
clockwise
handle
movement
,
the
spring
charged
mechanism
is
driven
aver
-
center
and
the
breaker
ciooee
.
A
charge
-
indicator
,
numbered
1
to
viewed
through
the
breaker
front
escutcheon
,
moves
with
each
complete
handle
movement
and
indicates
the
number
of
complete
handle
movements
that
have
bean
performed
.
JW
£
JL
_
Ul
ss
II
r
•
i
ir
5
'
4
^
L
0
>
UL
m
ajjxm
M
COfL
:
r
!
LEGEND
(
M
)
-
CLOSING
SOTW
£
*
RELAY
O
0
)
L
*
•
RELAY
OCRfTACT
V
*
a
V
MECHANICALLY
OFERATIO WRTCHEB
+
«
NORMALLY
OPER
«
WlT
6
*
»
CONTACTS
£
«
R
0
RMAU
.
Y
CLCrtfcD fWTCM
CONTAOTB
L
•
AOXJUAAY
5
W
»
7
CH
CONTACT
LEBERO
«
X
RELAY
COL
v
.
x
IWLAY
CONTACT
X
»
VPIEEAY
OOtt
.
y
•
Y
RELAY
CQRTAOT
#
WCHAtllOALLY
DP
C
ft
ATE
0
SWITCH
*
*
f
.
NORMALLY
OREN
SWtTc
*
COTTA
0
T
*
+
«
NORMALLY
OUMEO
SWITCH
OCNTA
0
T
6
ELECTRICAL
CLOSING
(
Figures
6
and
7
)
STANDARD
BREAKERS
Fig
.
7
35
jcipiiried
Elementary
piogrem
Internal
wiring
AK
-
X
>
;
75
and
100
Fig
,
6
Simplified
Elementary
Eiasreua
internal
Wiring
AK
-
15
and
25
A
&
-
18
and
AK
-
25
electrically
operated
breakers
are
closed
by
a
solenoid
coll
.
The
armature
of
the
adenoid
Is
linked
to
the
breaker mechanism
and
its
movement
,
energised
,
operating
the
X
contacts
.
This
operating
through
the
mechanism
,
closes
seals
in
the
X
relay
and
energizes
the
the
breaker
.
The
closing
solenoid
circuit
motor
once
again
and
the
closing
operation
may
be
operated
by
a
push
button
closing
takes
place
,
switch
on
the
breaker
or
by
a
remote
(
twitch
or
relay
,
depending
on
the
individual
arrangements
desired
.
When
a
closing
signal
Is
given
,
the
X
relay
coll
is
ener
-
gy
ed
and
It
in
turn
closes
Its
contacts
.
One
Functionally
,
the
quick
close
mecha
-
of
these
seals
In
the
X
coll
circuit
;
the
nlem
differs
from
the
standard
electrical
other
three
,
which
are
arranged
in
aeries
,
.
mechanism
in
that
the
pre
-
charge
operation
energise
the
solenoid
closing
coil
.
As
the
is
extended
to
completely
charge
the
closing
breaker
closes
,
a
mechanically
operated
springs
.
At
the
end
of
the
charging
opera
-
switch
opens
one
pair
of
its
contacts
(
bb
)
tton
,
which
takes
approximately
5
seconds
,
and
closes
another
<
aa
)
.
The
contacts
a
latch
plate
engages
the
prop
roller
to
which
open
cut
out
the
X
relay
coll
.
The
prevent
the
closing
springs
from
dls
-
contacts
which
close
energise
the
Y
relay
charging
.
cotif
whose
contacts
now
seal
in
the
Y
coU
and
hold
open
the
X
relay
coil
circuit
.
This
prevents
another
closing
operation
If
one
of
the
protective
devices
operates
to
trip
the
breaker
before
contact
at
the
closing
switch
Is
released
.
and
de
-
energize
the
control
relay
.
The
auxiliary
switch
contact
opens
preventing
the
control
relay
from
being
energized
until
the
breaker
la
tripped
open
,
with
the
Cr
switches
closed
*
the
motor
charges
the
closing
springs
ready
for
the
next
closing
operation
.
^
5
QUICK
CLOSE BREAKERS
(
Figure
8
)
MANUAL
OR
MAINTENANCE
CLOSING
OF
ELECTRICAL
BREAKERS
i
All
electrical
breakers
may
be closed
manually by
means
of
the
maintenance
handle
furnished
with
the
breaker
or
switch
-
gear
.
To
close
AK
-
1
-
15
/
25
breakers
:
WUh
the
closing
springs
fully
charged
1
,
Make
sure
handle
is
in
proper
position
,
the
breaker
Is
ready
for
a
closing
operation
Handle
Is
stamped
this side
up
.
upon
release
of
the
prop
roller
.
This
may
be
accomplished
either
manually
,
by
de
-
pressing
the
closing
lever
on
the breaker
,
or
electjicaUy
by
closing
the
remote
clos
-
Large
AK
breakers
(
AK
-
&
0
/
75
/
100
)
lug
switch
,
upon
the
release
of
the
prop
are
closed
by
the
discharge
of
a
closing
roller
the
closing
springs discharge
and
spring
.
This
rotates
a
crankshaft
which
,
close
the breaker
In
the
same
manner
as
by
means
of
an
attached
roller
,
operates
on
the standard
electrical
breaker
.
A
closing
cam
,
forcing
the
movable
breaker
contacts
against
the
stationary
contacts
.
With
control
voltage
applied
,
the
motor
The
closing
spring
Is
charged
through
the is
energized
through
the
G
switch
contacts
,
operation
of
a
motor
and
gear
reduction
and
charge
*
the
closing
springs
.
When
the
springs
reach the
fully
charged
position
,
the
mechanically
operated
switches
operate
,
The
electrical control
system
is
com
-
reversing
their
contacts
.
Upon
operation
prised
of
ftfiX
relay
,
two
double
contact
of
these
switches the
motor
ts
stopped
by
mechanically
operated
switches
(
F
and
G
)
,
the
opening
of
the
G
switch
.
The
closing
a
push
button
closing
switch
and
any
means
of
the
F
switch
prepares
the
breaker
for
for
remote
closing
which
the
user
may
a
closing
operation
,
j
?
incorporate
Into
the
system
.
When
voltage
is
first
applied
to
the
breaker
,
(
before
any
u
?
t
closing
signal
ts
given
)
the
motor
is
ener
-
&
Sized
through
two
of
the
X
relay
contacts
and
the
two
G
switch
contacts
.
The
motor
then
.
compresses
the
closing
springs
to
the
^
‘
pro
-
charged
'
1
position
at
which
point
the
£
mechanically
operated
F
and
G
switches
are
operated
.
'
This
opens
the
G
contacts
,
stopping
the
motor
,
and
closes the
F
con
-
tacts
,
which
readies
the
system
for
the
actual
closing
of
the
breaker
.
When
the
push
button
or
remote
switch
signals
for
«
•
closing
operation
,
the
X
relay
coll
ts
2
.
Flace
the
handles
fork
like
fingers
above
the
armatures
stop
nut
that
extends
below
the
magnet
behind
the
front
escutcheon
and
lift
up
.
This
forces
the
dosing
.
the
breaker
'
s
armature
down
contacts
.
CLOSING
I
SwffCH
—
T
+
S
88
F
:
unit
.
£
"
5
^
-
0
=
~
A
4
=
f
UJ
g
?
-
X
-
y
M
=
jfcQ
;
-
L
(
l
[
)
\
w
See
A
closing
signal
now
given
energizes
the
control
relay
X
whose
contacts
close
and
complete
the circuit
through
the
closing
relay
coll
.
With
the
closing
relay
coU
energized
the
breaker
closes
as
described
above
.
At
the
same
time
the
closing
relay
contact
closes
to
energize
the
anti
-
pump
relay
causing
its
contacts
to
viding
the
anti
-
pump
feature
.
When
the
breaker
closes
,
the
mechani
-
cal
operated
G
switches close
to
energize
the
motor
again
and
the
F
switches
open
i
d
X
LEGEND
Ec
:
ccSo
5
r
4
ffiLW
£
-
ANTI
-
PUMP
fifXAY
CONTACT
5
•
3
"
;
reverse
pro
-
M
-
CLOSING
MQTOfc
W
-
ANTI
-
PUMP
RELAY
CO
*
L
i
-
cx
\
%
i
mtfssr
^
4
:
-
NORMALLT
OPEN
SWITCH CONTACTS
£
-
NORMALLY
CLOSE
0
SWITCH
CONTACTS
SlMFUn
&
D
ELEMENTARY
DIAGRAM
JNTCftNAf
.
wiBlNg
QU
>
CK
CLOSE
SftEAK
^
H
7
Fig
.
8
Courtesy of NationalSwitchgear.com

GE AKF-1C Specifications

General

Brand	GE
Model	AKF-1C
Category	Circuit breakers
Language	English