Typical Wiring Diagrams - GE AK-2-15 Installation And Operation Manual

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GEK-7302
Installation a&'Operation of Type AK Power Circuit Breakers
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3.
Rota& the two track lock links, and 2.
Move the breaker
and inn@? housing to " b&zker is in the racked in (connected
pull the right track all the way forward.
the fully withdrawn position. (See position). This interlock, when requested,
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Breaker Insertion. Stems 1, 2 ami 3). will be orovided with both AKD and AKD5
k 4. * Using a lifting device and the spreader
'\\
provided for these breakers, raise the
breaker and position it SO that the
mounting pins on the side of the breaker
line up with the slots in the track and
are about 2 inches above the track.
, -
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equipment that require quick close breakers
5. Pull the left track out and lower the
breaker so that the mounting pins 1
engage the slots in the tracks.
6.
3.
Rotate the two - * . -.
track
1OCK mxs
and
CONNECTIGNS
pull the breaker out to the limit of
-. the track travel. Attach; lifting device
All electrical connections should %e
arid-, lift breakt 3 up and away from
made to assure good conductivtty. Mating
compartment untilprimar
y disconnects
surfaces should be parallel and firmly
clear the compartment.
bolted or clamped together. Contact sur-
faces should be clean and have a smooth
I"---- the inner housing to the connected 4. IvI""t: finish, The bus or cable connecting to the
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pvaallon by pushing the tracks back breaker should have adequate current-
against the track stops and then follow
Steps 7 and 8 under Breaker Insertion.
carrying capacity to prevent excessive
heating. Control circuit connections should
The inner housing is now in the con- be made according to the wiring diagram
. . .,.
necrea position and the breaker IS free
from its comp;o rtment.
which applies to each breaker specifically.
Depending on the breaker type, those con- ,
Breaker Removal
A &4A/5A
nections are made either to a terminal
board on the breaker or to the stationary
Engage the racking handle. This is done
by pushing the trip button in the breaker
escutcheon. sliding the cover below it
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to the right, and inserting the handle
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on the jackshaft.
,.. >'<. ,, 2,
"'7, Turn the handle counterclockwise as
far as it will go, (if it will move in
1. Trip the breaker.
parts of the secondary
disconnects.
that direction) and remove the handle.
,2, :'Engage the handle and rotate itcounter-
~D~IDUALLY ENCLOSED AKD
8.
Push the breaker in against the track clockwise. If thebreaker closing Spring
STATIONARY BREAKERS
stops,
and lock the track links. _, ,_
is fully charged, it will be discharged
automatically : -
3 - ^.? A....-* Ir^Cr.
'PC?% nr,~thmorct
evtmnsl m-mnections
9. Close the compartment door. Apain
the end of
the 5
__ ._.~. ~~~~
engage the ha&
.¶----a
.e as in step 6, and
-l-.r-...l-- ^^ 0,.
3. COUPON uL 1u1115 usluie
I,,0 Lu~I"lllr~" .,a*-* .-1
_____- __._..
action.
for operation of breakev flnn+roI romnonent!
*a -.,'..a __ --__ _r ______. 9
__- ___- .-
and accessories are
shown in Fig. 1.
rotate the handle \ CIOCKW~SV ds rar as
^ - . . .
3.
.,_^,_ it- I-,.*3. lhnir
upen me aoor, umook me ~idti;h HULAS,
it will go. Towards the end, a high
and pull the breaker all the wa,y forward.
DRAWOUT BREAKERS
:;i.
__.-
'
,-"force reauirement will be felt as
the
The breaker may now be lifted
from
disconnect fingers on the breaker en- the tracks. _
The customers external con
9
gage the stationary studs. A couple of
nections to these breakers are
.
turns later, and the stop will be en-
NOTE: The installation of AK-
..A,+-3"3, ray
me srar~onary Y+~LUIIUL+I y uI.7bvLlllrrc- -...
countered. .The position indicator will lOOS/AKF2C/2D andbreakers equippedwith
cated in the breaker compartment as shown
. .T-_
n ..--I 0
_ _ __ _ ^ .
now show "CONK " .
the q - . '- "
li vn Equiprn~~~~~~d Fr:gs+.h%
AC,"+
1
uick-closing mecnanlsm 1s me same dS
m I ags. L anu Q, A~)U
the other breakers descrrbed m this book.
and 5 AKD5 Equipn,sJ,b. ls.V'Iu
I _...
The only difference occurs with drawout
breaker is used in a GeneralElectric Corn.
breakers. The compartments that house the
pany, Drawout Switchgear Equipment, al..
quick-close breakers will be equipped with
external connections must be made to
an interlock that prevents the manual dis-
terminal blocks located in the rear vertical
nL~rninrr n$ +kn pjncinc qnylnvq whilp +)a
wirin*
trnngh nf the eauioment.)
FURNI&ED
<3<
ONLY WHEN
>5>
<4 < c /'- REQUWD
\D > 4$
<5<--
-> 3>
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WHEN H~WUIKLLJ
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-RONT VIEW AK-2A-50,75,100
FRONT VIEW
AK -
IA+,25 8, AK-Z/4+, 25
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BREAKER COMFAHTMENP'
BREAKER COMPARTMENT ::y
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TYPICAL WIRING DIAGRAMS
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Fig.'&
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i5.g. 5
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