GE POWERMASTER AKD-5 User manual
:
GEl
-
90890
AKD
-
5
Power
master
Switchgear
/
CONTENTS
Assembly
of
Equipment
To
Hoist
a
Breaker
To
Insert
Breakers
Breaker
Operation
Outdoor
Equipment
,
Main
Cables
*
.
.
,
*
.
,,
,
.
Field
Welding
Procedure
Testing
and
Inspection
10
MAINTENANCE
Breaker
and
Instrument
:
Compartments
Bus
Compartment
Paint
Refinishing
.
.
11
*
.
8
RECEIVING
,
HANDLING
,
STORAGE
•
Receiving
Handling
,
»
.
,
,
,
•
*
»
,
*
.
*
»
,
«
,
*
*
9
-
Storage
.
.
.
.
4
EQUIPMENT
INSTALLATION
P
r
ior
to
Installation
.
*
.
.
.
Location
.
...
,
Foundation
Requirements
,
.
,
Removing
Shipping
Skid
Indoor
Equipment
Only
Anchoring
.
il
/
m
,
«
*
.
>
.
.
.
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«
*
«
,
,
,
*
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£
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ax
,
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Jp
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.
.
.
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,
»
»
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.
.
»
'
»
.
»
.
.
.
8
INTRODUCTION
9
13
3
DESCRIPTION
.
,
.
.
.
Front
Enclosure
.
,
.
,
,
.
.
.
Breaker
Compartment
Bus
Compartment
.
Feeder
Cable
and
Bus
Duct
Compartment
.
.
.
.
.
,
Outdoor
Equipment
.
,
Drawout
Mechanism
Operation
Inter
locks
,
,
13
,
.
,
4
10
13
•
*
*
,
«
»
*
.
,
y
«
«
«
,
»
14
.
.
.
»
,
,
»
,
.
6
10
,
.
.
,
.
,
24
.
4
10
7
24
,
.
.
.
.
4.4
,
..
»
«
.
*
,
,
.
,
«
,
,
,
24
11
21
.
«
*
.
«
«
*
»
*
»
»
24
11
22
1
LOAD
CENTER
UNIT
SUBSTATION
—
—
—
-
AKD
-
5
LOW
VOLTAGE
SECTION
SHIPPING
PACKAGE
TRANSFORMER
*
LVP
PRIMARY
SECTION
-
^
SHIPPING
PACKAGE
SWITCH
UNIT
OOI
SHIPPING
PACKAGE
_
BR
£
AKER
UNIT
'
S
AUXILIARY
•
!
•
*
UNIT
i
OI
5
014
UNIT
NOfe
013
012
:
Oil
•
*
ETTERS
A
A
A
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'
A
:
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r
*
B
B
B
JH
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sD
IA
§
B
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C
C
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8
D
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:
•
•
Pig
.
1
(
0102
C
520
?
~
0
)
Outline
Of
A
Typical
Load
Contes
Showing
Nomenclature
.
2
Courtesy of NationalSwitchgear.com
AKD
-
5
POWERMASTER
LOW
VOLTAGE
DRAWOUT
SWITCHGEAR
V
i
i
-
-
INTRODUCTION
refull
3
.
When
required
:
a
.
Control
wiring
diagram
,
b
.
Elementary
or
schematic
wiring
diagrams
.
install
_
Low
Voltage
"
Drawout
Switchgear
;
It
should
be
carefully
read
before
installation
and
initial
operation
of
the
equipment
.
:
1
.
Front
view
and
floor
plan
drawings
These
show
the
general
arrange
-
ment
,
height
,
recommended
aisle
.
space
,
etc
2
.
Summary
of
switchgear
equipment
-
This
is
a
partial
parts
list
,
giving
catalog
numbers
of
all
breakers
,
devices
,
etc
.
All
of
these
documents
are
needed
for
installation
,
operation
and
maintenance
of
the
equipment
,
,
For
application
and
specification
infor
-
mation
refer
to
GEA
-
3592
N
"
Powermaster
AKD
-
5
Low
Voltage
Switchgear
.
*
’
.
w
.
..
i
M
Separate
Publications
will
be
supplied
V
•
‘
/
*
or
breakers
,
relays
or
other
devices
not
described
in
this
publication
.
A
pocket
has
been
provided
in
the
top
compartment
of
the
auxiliary
unit
for
per
-
manent
safekeeping
of
one
set
of
.
these
documents
.
DESCRIPTION
The
General
Electric
AKD
-
5
Low
Vol
-
tage
Drawout
Switchgear
is
an
assembly
of
metal
enclosed
,
free
standing
units
of
Power
Circuit
Breakers
and
other
auxili
-
ary
power
circuit
protective
devices
.
.
It
is
used
for
protection
and
control
of
power
.
circuits
and
electrical
apparatus
on
low
voltage
power
distribution
sy
the
utilization
voltage
is
600
less
.
CONTROL
^
WIRE
WAY
T
I
m
stems
where
volts
a
-
c
or
FULL
TROUGH
WHEN
REQUIRED
.
BREAKER
OR
INSTRUMENT
COMPARTMENT
.
BUS
The
.
current
rating
of
the
equipment
is
4000
amperes
maximum
.
AK
-
2
A
Power
Circuit
Breakers
used
in
the
equipmentare
rated
from
15
amperes
to
4000
amperes
,
The
AKD
-
5
Low
Voltage
Drawout
switchgear
consists
of
one
or
more
units
mechanically
and
electrically
joined
to
make
a
single
coordinated
equipment
.
This
equipment
may
consist
of
either
free
-
standing
units
or
a
complete
load
-
center
unit
substation
.
A
load
-
center
unit
substation
consists
of
an
incoming
line
(
primary
)
section
pro
-
viding
the
necessary
high
voltage
primary
cable
termination
facilities
,
sometimes
in
-
cluding
an
Interrupter
switch
,
a
trans
-
former
section
to
transform
from
the
primary
voltage
(
nominally
2
,
4
to
13
,
8
kv
)
to
the
utilization
-
voltage
of
600
volts
or
less
,
and
an
outgoing
section
for
connection
to
one
or
more
outgoing
low
-
voltage
feeder
units
.
I
A
CABLE
OF
BUSWAY
awr
BREAKER
COMPARTMENT
*
t
B
ISOLATING
BARRIER
MAIN
a
TIE
UNITS
LOAD
STU
IIQIt
POSITION
if
;
BREAKER
COMPARTMENT
The
load
-
center
unit
substation
may
be
single
ended
,
with
only
one
power
.
trans
-
former
,
or
double
-
ended
with
a
.
’
power
transformer
on
both
ends
.
If
an
equipment
is
too
long
for
hand
-
1
'
ling
in
one
piece
,
it
is
split
into
two
or
more
packages
in
the
factory
for
assembly
at
the
job
site
.
/
-
P
:
<
•
c
I I
Pig
.
2
(
0148
A
5073
-
0
)
Side
View
Showing
Compartmentation
.
These
instructions
do
not
purport
to
cover
a
/
/
details
or
variations
In
equipment
nor
to
provide
for
every
possible
contingency
to
be
met
In
connection
with
Installation
,
operation
or
maintenance
,
Should
further
information
be
desired
or
should
particular
problems
arise
which
are
not
covered
sufficiently
for
the
purchaser
'
s
purposes
,
the
matter
should
be
referred
to
the
Genera
/
B
/
ectric
Company
.
m
•
*
•
-
V
3
.
Courtesy of NationalSwitchgear.com
GEI
-
90
G
90
AKD
-
5
Powermaster
Switchgear
the
sides
of
the
compartment
,
Fig
.
4
*
The
drawout
mechanism
is
shown
in
an
Figure
1
shows
the
outline
of
a
typ
-
devices
is
described
in
the
following
para
-
ical
single
-
ended
load
center
unit
substation
graphs
,
showing
nomencleature
used
,
Figure
2
shows
the
outline
of
the
side
section
of
a
FRONT
ENCLOSURE
typical
unit
showing
compartmentation
.
exploded
view
,
Fig
.
19
,
and
its
operation
is
explained
in
detail
later
in
the
manualf
;
v
'
:
%
under
Drawout
Mechanism
Operation
.
^
The
front
enclosure
of
each
breaker
All
of
the
switching
and
protective
and
device
unit
is
divided
into
individual
devices
,
control
and
metering
devices
as
breaker
compartments
which
house
the
pow
-
weli
as
the
control
fuses
and
necessary
er
circuit
breaker
or
instrument
compart
-
instrument
transformers
are
mounted
in
ments
that
contain
instruments
and
other
this
enclosure
.
The
breaker
positions
are
protective
devices
and
control
components
,
,
all
of
the
drawout
type
.
The
breakers
are
provided
with
self
-
couplingprimary
and
secondary
disconnecting
contacts
and
in
-
..
4
Corporate
positive
and
indirect
interlocks
The
breaker
is
supported
within
its
to
insure
proper
operating
sequence
.
Each
compartment
by
a
rollout
track
which
is
of
the
individual
units
,
compartments
and
part
of
the
drawout
mechanism
attached
to
All
AK
-
2
A
power
air
circuit
breakers
of
the
same
type
and
rating
,
;
which
have
duplicate
wiring
,
may
be
interchanged
.
Each
breaker
compartment
has
four
positions
.
They
are
;
1
.
The
Connected
Position
-
The
breaker
is
in
the
operating
position
,
both
pri
-
mary
and
secondary
contacts
made
and
the
door
closed
,
BREAKER
COMPARTMENT
r
;
•
K
^
/
y
-
SECONDARY
DISCONNECTS
AMMETER
AMMETER
SWITCH
KIRK
LOCK
-
CURRENT
TRANSFORMER
”
CLOSE
FUSES
TRIP
FUSES
TRACK
LOCK
LINK
TRACK
LOCK
LINK
OPERATING
SHAFT
M M
:
SHAFT
INDICATOR
CHAIN
COVER
POSITION
SWITCH
•
/
I
,
.
1
•
••
•
•
•
,
s
.
£
Fig
.
3
(
8035643
)
M
-
25
Compartment
4
Courtesy of NationalSwitchgear.com
AKD
-
5
Powermaster
Switchgear
GEl
-
90890
!
SECONDARY
DISCONNECTS
TEST
SWITCH
-
CLOSE
FUSES
KIRK
LOCK
TRIP
FUSES
TRACK
LOCK
STOP
LINK
LINK
CHAIN
COVER
OPERATING
,
SHAFT
JACK
~
SHAFT
INDICATOR
POSITION
CURRENT
SWITCH
TRANSFORMER
SECONDARY
DISCONNECTS
CLOSE
FUSES
—
TRIP
FUSES
KIRK
LOCK
TRACK
LOCK
-
STOP
LINK
LINK
OPERATING
SHAFT
'
JACK
SHAFT
INDICATOR
CURRENT
.
CHAIN
COVER
TRANSFORMER
POSITION
S
£
S
»
.
SWITCH
AK
~
7
5
Compartment
»
5
.
1
;
.
Courtesy of NationalSwitchgear.com
'
GEI
-
90890
AKD
-
5
Powermaster
Switchgear
2
,
The
Test
Position
-
Tthe
primary
compartment
door
panel
may
he
opened
in
In
the
38
inch
wide
section
used
for
(
power
)
contacts
are
not
made
but
the
'
any
position
,
it
is
recommended
that
the
housing
an
AK
-
2
A
-
100
breaker
,
the
bus
secondary
(
control
)
contacts
are
made
,
door
only
be
opened
with
the
breaker
in
compartment
extends
all
the
way
to
the
rear
Any
breaker
test
not
involving
power
the
fully
disengaged
position
,
Never
open
may
be
-
made
-
in
this
position
.
The
the
breaker
.
door
when
the
breaker
is
door
may
be
closed
in
this
position
,
energized
,
'
,
'
M
Oil
.
main
breaker
and
tie
breaker
units
V
<
the
bus
compartment
is
divided
into
^
an
upper
and
lower
section
by
an
isolation
.
barrier
,
providing
greater
reliability
and
safety
.
The
upper
section
contains
the
;
incoming
line
bus
,
fed
from
the
incoming
line
bus
connections
in
the
auxiliary
unit
,
*
«
rS
»
*
S
?
9
iK
2
SS
:
SSStt
ggggjflMSMSe
ment
ready
for
removal
from
the
for
a
particular
switchgear
section
.
This
equipment
.
The
door
must
be
open
in
bus
compartment
,
which
has
a
depth
of
14
-
1
/
4
inches
,
is
isolated
from
the
other
one
unit
to
another
,
a
factory
welded
joint
two
compartments
by
barriers
,
is
provided
.
At
shipping
splits
,
or
where
The
drawout
mechanism
is
designed
.
connections
are
to
be
made
to
other
units
with
mechanical
advantage
for
ease
of
A
typical
bus
arrangement
is
shown
,
or
equipment
during
installation
,
provision
•
breaker
insertion
and
withdrawal
.
The
with
the
rear
barrier
removed
in
Fig
,
0
.
is
made
for
either
making
a
field
welded
doors
on
the
breaker
compartments
do
not
The
all
-
welded
aluminum
bus
reduces
main
-
aluminum
joint
or
a
bolted
copper
joint
,
have
to
be
opened
to
move
the
breakers
in
tenance
since
only
a
minimum
number
of
whichever
the
purchaser
requests
.
When
or
out
.
Eacn
door
panel
is
provided
with
bolts
are
used
.
Bolts
are
used
for
supports
bolted
joints
are
provided
,
copper
angle
a
double
latch
,
operated
by
a
...
vertical
or
at
connections
which
must
be
made
in
brackets
are
welded
to
the
aluminum
bus
'
slide
lift
handle
.
Although
the
breaker
the
field
.
in
the
factory
.
BUS
COMPARTMENT
3
.
Disconnect
Position
-
Neither
the
pri
-
mary
nor
the
secondary
contacts
are
The
door
may
be
closed
.
The
bus
compartment
,
between
the
front
breaker
enclosure
and
the
rear
cable
made
.
Where
the
aluminum
bus
runs
from
this
position
*
See
Fig
.
18
.
-
v
*
.
$
v
-
C
-
*
fi
<
*
Fia
,
7
(
8914419
)
atypical
Cable
Arrangement
.
In
A
2
Qn
Wide
Unit
Fig
,
6
(
01063356
)
;
Bus
Compartment
With
Hear
Barrier
Removed
,
6
Courtesy of NationalSwitchgear.com
Ai
£
D
-
5
Powermaster
Switchgear
GEI
-
90890
of
this
compartment
,
providing
for
control
circuit
cabling
and
connections
.
Terminal
of
the
switchgear
cable
compartment
hear
boards
for
use
in
installation
are
provided
the
bottom
*
A
4
/
0
ground
connector
will
at
a
convenient
height
for
making
control
be
included
as
standard
on
each
equipment
for
connection
to
the
station
ground
.
Where
AKD
-
5
-
switchgear
is
shipped
in
more
than
'
A
neutral
bus
is
provided
in
the
cable
one
package
;
,
the
ground
bus
must
be
con
-
and
terminal
compartment
on
switchgear
nected
at
the
shipping
split
.
A
recommends
.
•
equipment
designed
for
four
wire
systems
,
ed
location
for
making
the
station
ground
is
It
consists
of
bolted
copper
bars
with
shown
on
the
floor
plan
drawing
furnished
silver
plated
connections
.
It
is
installed
with
the
equipment
,
at
either
a
height
of
about
18
inches
from
the
floor
or
at
about
6
feet
.
,
*
In
some
equipments
the
neutral
bus
is
provided
at
,
both
heights
.
The
neutral
bus
is
insulated
from
ground
.
A
grounding
link
is
provided
The
outdoor
switchgear
is
constructed
in
auxiliary
bus
entrance
units
for
ground
-
;
with
a
basic
indoor
equipment
,
completely
ing
the
neutral
on
grounded
'
four
wire
enclosed
in
a
weatherproof
housing
with
a
walk
-
in
front
aisle
*
Fig
.
8
.
Space
heaters
are
provided
in
all
outdoor
equipments
to
keep
the
inside
temperature
a
few
degrees
higher
than
that
outside
*
This
helps
prevent
CAUTION
:
It
is
very
important
that
the
condensation
and
the
resultant
corrosion
equipment
be
adequately
ground
-
which
might
otherwise
occur
*
The
heaters
.
v
:
ed
for
safety
,
.
The
ground
bus
is
bolted
to
the
rear
FEEDER
CABLE
AND
BUS
DUCT
-
COMPARTMENT
The
rear
cable
and
terminal
compart
*
ment
,
which
is
Isolated
from
the
bus
com
-
wiring
connections
*
partment
provides
adequate
room
for
easy
cable
installation
.
Straight
cable
runs
to
the
load
studs
,
at
the
load
side
of
the
feeder
circuit
breakers
are
provided
from
conduits
entering
from
above
or
below
*
.
Various
arrangements
of
single
or
double
cable
terminals
are
provided
With
the
equipment
,
depending
upon
the
purchaser
’
s
requirements
.
One
typical
terminal
ar
-
rangement
is
shown
in
Fig
.
7
,
Conduits
for
.
large
cables
should
be
near
the
rear
of
the
compartment
to
pro
-
vide
space
for
bending
these
cables
as
systems
,
necessary
.
The
terminals
can
accommodate
cables
from
size
#
8
to
1000
MCM
.
Beside
power
cable
connections
,
some
equipments
include
an
enclosed
.
wiring
trough
on
the
right
side
OUTDOOR
EQUIPMENT
s
Ground
Bus
should
be
energized
at
all
times
.
i
Y
-
5
'
'
v
v
•
’
^
v
. .
!
"
•
'
v
!
-
•
T
.
-
.
.
.
.
-
r
?
*
-
-
i
-
v
-
&
Fig
.
'
0
(
8035636
)
rPypioal
Outdoor
Shipping
Section
.
.
7
Courtesy of NationalSwitchgear.com
5
GEI
-
90890
AKD
-
6
Powermaster
Switchgear
RECEIVING
,
HANDLING
AND
STORAGE
Located
in
Package
^
F
”
(
Indoor
Only
)
.
Hoist
Dolly
Hoist
Carriage
Package
"
L
"
or
'
TV
*
Auxiliary
Unit
Adapter
Box
(
On
large
transformers
only
)
Separate
Carton
Power
Circuit
.
Breaker
(
one
per
carton
)
.
Located
inside
the
switchgear
Aux
-
iliary
Unit
in
the
top
compartment
will
be
found
the
following
items
:
Instruction
Books
Installation
Drawing
Front
View
&
Floor
Plan
Drawings
Elementary
&
Electrical
Diagram
*
A
Trade
-
Mark
of
the
General
Electric
Company
,
to
the
package
.
When
unpacking
,
to
avoid
the
loss
of
small
parts
,
the
contents
of
Every
package
leaving
the
factory
is
each
case
should
be
carefully
checked
plainly
marked
with
case
number
,
requisi
-
against
the
packing
details
before
discarding
tion
number
and
customers
order
number
,
the
packing
material
,
A
list
of
miscel
-
If
,
for
any
reason
,
it
is
necessary
to
divide
laneous
parts
as
required
that
are
forwarded
the
equipment
for
shipment
,
the
unit
nura
-
with
the
equipment
,
and
how
they
are
nor
-
bers
of
the
portion
of
the
equipment
enclosed
mally
packed
or
shipped
,
is
included
below
,
in
each
shipping
package
are
identified
.
All
equipment
leaving
the
factory
is
carefully
inspected
and
packed
by
personnel
experienced
in
the
proper
handling
and
pack
-
ing
of
electrical
equipment
.
Upon
receipt
of
any
apparatus
,
make
an
inspection
im
-
mediately
for
damage
sustained
while
en
-
route
.
If
injury
is
evident
,
or
indication
of
rough
handling
is
visible
,
file
a
claim
for
damage
at
once
with
the
transportation
company
.
Notify
the
General
Electric
Company
Apparatus
Sales
Office
promptly
.
Information
on
damaged
parts
,
part
number
,
case
number
,
requisition
number
,
etc
.
,
should
accompany
the
claim
.
The
contents
of
each
shipping
package
listed
In
the
packing
details
attached
RECEIVING
!
Located
in
Package
MEM
CLF
*
Fuses
,
Splice
Plates
Tube
of
Contact
Lubricant
D
50
H
47
4
Can
of
Sand
Gray
Paint
.
Can
of
Blue
Paint
Weld
Splices
Can
of
Black
(
Gray
Scale
-
N
)
Paint
(
for
hoist
if
furnished
)
Bag
of
Hardware
Can
of
Thinner
Rubber
Seal
Cement
Test
Plugs
v
Floor
Clamps
Breaker
Closing
Device
(
for
elec
-
trical
breakers
only
)
y
are
i
rg
.
j
-
•
—
PT
JL
JL
A
J
rl
f
\
v
\
A
f
;
A
r
>
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/
I
'
.
NOT
PUSNV
6
HSP
WITH
EQUIPMENT
^
lr
^
6
AR
$
!
PROMTS
3
-
Wi
v
-
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1
I
;
•
P
\
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CAbLE
-
y
\
M
.
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m
7
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o
«
>
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2
Vtevsi
-
/
*
RECOMMENDED
METHOD
OF
PACKING
•
•
TTO
°
&
ONUY
PRO
NT
VlEVvf
APTER
mp
?
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NQ
SKIDS
ARE
tVi
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ftPBSMPBRe
MOST
B
>
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•
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L
USED
AMO
TOP
COVERS
MU
6
T
A
SE
IN
PLACB
WHEN
LIFTINS
EQUIPMENT
NOT
FURNISHED
WITH
.
EQUIPMENT
tassr
-
-
PROMT
CH
/
WEL
.
1
(
V
»
-
ft
2
f
=
'
PROMTS
VIEW
k
-
A
ENLARGED
FRONT
Fig
.
9
(
0673
D
0500
-
002
-
5
)
Methods
Of
Handling
Indoor
Equipment
.
8
Courtesy of NationalSwitchgear.com
AKD
-
5
PowerMaster
Switchgear
;
GEI
-
90890
NOT
FURM
ISHED
X
SPREADER
•
'
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Titurftmr
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.
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i
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c
-
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9
9
9
9
REAR
J
FIG
,
.
!
1
;
SIDE
VIEW
FRONT
VIEW
JACKING
TIMBER
MOT
FURNISHED
REAR
OR
FRONT
£
*
-
i
-
.
:
.
.
.
BP
jACK
HERE
i
:
CA
0
LE
-
PARTIAL
S
10
E
VIEW
FOR
JACKIN
'
^
•
C
IS
FRONT
OR
'
REAR
V
|
EW
FOR
JACKIN
6
Fig
,
10
(
O
673
DO
50
O
-
GO
3
-
3
)
Methods
Of
.
Handling
Outdoor
Equipment
,
,
HANDLING
Methods
of
handling
outdoor
switch
-
gear
,
shown
in
Fig
,
10
,
are
much
the
same
The
switchgear
units
,
may
be
most
as
for
indoor
equipments
except
that
lifting
conveniently
handled
by
a
crane
,
Removable
plates
are
provided
at
the
base
of
the
lugs
are
provided
on
top
of
the
switchgear
,
structure
.
The
lifting
plates
should
be
If
the
installer
uses
a
crane
for
lifting
a
removed
after
the
equipment
is
permanently
cable
spreader
must
be
used
'
to
obtain
a
anchored
,
so
that
passageway
at
the
ends
of
vertical
pull
on
the
lifting
lugsv
^
Recom
-
the
equipment
will
not
be
obstructed
,
mended
lifting
methods
are
showh
’
ln
Figs
,
9
and
10
.
If
it
is
necessary
to
store
the
equip
-
ment
for
any
length
of
time
,
the
following
precautions
should
be
taken
to
prevent
breakage
,
corrosion
,
damage
or
deteriora
-
tion
,
:
1
*
Uncrate
the
equipment
,
Check
thor
-
oughly
for
damage
.
Store
in
a
clean
,
dry
,
rodent
free
loca
-
tion
with
moderate
temperature
and
cover
with
a
suitable
canvas
to
prevent
dust
,
dirt
,
water
,
or
other
foreign
sub
-
stances
from
entering
the
switchgear
.
Air
circuit
breakers
are
shipped
sep
-
arately
in
individual
cartons
with
the
br
eaker
2
,
open
position
.
The
circuit
breaker
be
unpacked
as
soon
as
possible
If
crane
facilities
are
not
available
,
in
the
the
equipment
may
be
moved
into
position
should
by
means
of
construction
rollers
placed
after
it
has
been
received
and
inspected
,
/
*
X
;
\
under
the
shipping
skid
.
Where
overhead
*
is
too
low
,
the
shipping
skid
may
be
re
-
moved
and
the
equipment
moved
by
rollers
location
in
an
upright
position
.
It
must
be
placed
under
the
three
channels
under
the
properly
supported
to
prevent
bending
of
the
equipment
,
studs
or
damage
to
any
of
the
breaker
parts
,
Do
not
remove
any
protective
grease
until
it
is
ready
to
be
installed
,
A
covering
of
kraft
or
other
non
-
absorbent
paper
will
prevent
dust
from
settling
on
the
breaker
,
Store
the
circuit
breaker
in
a
clean
dry
,
If
dampness
or
condensation
may
be
encountered
-
in
the
storage
location
,
heaters
must
be
placed
inside
the
units
to
prevent
moisture
damage
.
Approx
-
imately
250
watts
of
heaters
per
unit
are
required
.
On
outdoor
switchgear
this
may
readily
be
accomplished
in
making
a
temporary
power
supply
con
-
nection
to
the
heaters
already
installed
in
the
equipment
.
3
CAUTION
:
Be
sure
the
rollers
used
are
spaced
such
that
the
three
chan
-
nels
rest
on
top
of
the
rollers
,
as
a
direct
application
of
the
rollers
between
the
channels
may
tear
or
distort
the
equip
-
ment
.
Jacks
may
also
be
ap
*
.
,
,
.
plied
to
handle
the
equipment
H
the
breaker
is
not
to
be
placed
in
when
a
crane
is
not
available
,
service
at
once
remove
it
from
its
shipping
as
shown
if
Figs
.
9
and
10
.
carton
and
thoroughly
inspect
it
.
If
every
-
thing
is
in
satisfactory
condition
replace
the
Remove
all
outer
crating
after
the
equipment
has
been
moved
to
the
desired
location
/
STORAGE
CAUTION
:
Remove
all
cartons
and
other
miscellaneous
packing
material
from
inside
the
units
before
energizing
any
heaters
.
•
'
A
.
!
A
breaker
in
its
shipping
carton
for
storage
.
Do
not
remove
the
shipping
ihembers
at
this
time
.
;
9
Courtesy of NationalSwitchgear.com
•
I
*
GEI
-
90890
AKD
-
5
Power
master
Switchgear
EQUIPMENT
INSTALLATION
6
$
the
front
must
be
sufficient
to
permit
the
extending
above
the
concrete
(
about
$
/
4
opening
of
doors
,
the
Insertion
and
with
-
Inch
)
,
the
.
required
amount
to
be
flush
with
Before
any
Installation
work
is
per
-
drawal
of
the
removable
breakers
and
their
dhe
finished
floor
*
.
It
Is
essential
that
formed
,
study
all
drawings
furnished
by
the
transfer
to
other
compartments
,
the
opera
-
these
steel
channels
be
level
and
aligned
General
Electric
Company
for
the
particular
tion
of
breakers
while
In
the
test
position
,
with
each
other
prior
to
the
final
anchoring
installation
,
These
include
arrangement
and
the
operation
of
the
breaker
hoist
;
to
avoid
distortion
of
the
switchgear
struc
-
drawings
(
front
and
plan
view
)
,
connection
The
space
at
the
rear
must
be
sufficient
lure
,
The
recommended
foundation
and
elementary
diagrams
,
installation
dr
aw
-
for
opening
of
doors
,
installation
of
cables
*
struction
and
method
of
mounting
the
switch
-
:
ings
and
a
summary
or
parts
list
of
the
Inspection
,
and
maintenance
,
Check
local
:
g
?
ar
to
the
foundation
is
shown
in
Fig
.
,
equipment
.
All
of
these
items
,
plus
the
codes
for
special
aisle
space
requirements
,
This
information
is
also
sent
to
the
instruction
books
,
will
be
found
inside
the
-
purchaser
with
other
requisition
drawing
top
compartment
of
the
auxiliary
unit
.
FOUNDATION
REQUIREMENTS
as
mentioned
previously
.
At
the
time
the
.
When
requesting
information
from
the
fact
-
;
i
foundation
channels
are
beingdnstalled
,
any
ory
on
any
specific
item
furnished
with
Indoor
Equipment
-
The
station
floor
conduits
or
sleeves
,
required
for
power
and
:
^
the
equipment
,
refer
to
the
item
by
sum
-
or
.
foundation
must
be
strong
enough
to
control
cables
that
are
to
enter
the
equip
>
y
<
r
;
\
mary
and
identification
number
wherever
prevent
sagging
by
the
weight
of
the
switch
-
ment
from
underneath
should
be
located
and
;
;
*
possible
.
Any
material
eternal
to
the
gear
structure
.
If
the
foundation
is
subject
installed
wtthtn
the
available
space
shown
on
equipment
which
may
be
required
to
meet
fo
vibrations
,
special
mounting
must
be
P
\
an
drawings
*
.
Consideration
,
any
local
codes
,
such
as
mats
,
screens
,
provided
to
prevent
the
transmittal
of
should
be
given
to
installing
conduits
or
-
railings
,
etc
.
is
not
furnished
.
.
vibrations
to
the
equipment
.
:
sleeves
,
which
might
be
required
for
future
.
^
•
connections
,
The
conduits
should
terminate
;
LOCATION
'
•
Suitable
means
must
be
provided
by
at
the
switchgear
with
the
appropriate
oon
-
the
purchaser
for
mounting
and
anchoring
duit
connectors
.
In
locating
the
AKD
-
5
switchgear
,
con
-
the
switchgear
to
the
floor
.
It
is
recom
-
sideration
should
be
given
to
the
aisle
mended
that
recessed
steel
channels
be
.
..
.
.
.
.
.
.
„
.
.
.
.
.
.
.
..
space
required
at
the
front
and
rear
of
the
installed
by
the
purchaser
for
supporting
Outdoor
Equipment
-
Foundation
re
-
equipment
.
The
recommended
aisle
space
the
switchgear
equipment
*
The
steel
chan
-
commendations
for
outdoor
equipment
are
is
shown
on
the
floor
plan
drawing
furnished
nels
should
be
enbedded
in
a
level
concrete
given
in
Fig
*
12
.
Otherwise
,
comments
:
for
the
particular
installation
.
The
space
at
slab
with
the
top
surface
of
the
channels
under
Indoor
Equipment
apply
.
PRIOR
TO
INSTALLATION
con
•
'
f
\
t
*
.
5
TPEU
15
PLA
.
CE
'
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.
VsJEuP
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FRONT
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:
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SURFACE
FLOOR
CLAMP
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FLOOR
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OFAMCHOR
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ANCHOR
bOLT
6
)
FUOOR
CHANNEU
5
.
AN
0
W
5
E
»
Y
PURCHNOefe
FOUNDATION
DATA
.
EQUIPMENT
IS
:
FURHTSH
£
D
WITH
BUILT
-
IN
CHANNEL
,
THU
$
.
ELIMINATING
THE
NEED
FOR
FLOOR
STEEL
WHF
_
NJ
MOUNI
ING
-
'
DIRECTLY
ON
SMOOTH
LEVEL
FLOOR
.
IF
.
EMBEDDED
CHAWN
£
15
ARE
DESIRED
,
THE
SF
.
SHOULD
&
E
SET
LEVEL
Y
-
/
ITH
EACH
OTHER
'
AMO
SHOULD
&
E
LEVEL
OVER
THEIR
-
ENTIRE
LENGTH
.
4
"
*
5.4
X
/
fT
CHANNELS
A
\
it
RECOMMENDED
KOK
LEVELING
PURPOSES
.
„
.
FINISH
FLOOR
SHOULD
HAVE
SLIGHT
PITCH
AWAY
FROM
MOUNTING
CHANNEL
?
AND
jhi
NO
CA
5
E
SHOULD
TM
£
FINISH
-
FLOOR
BF
HIGHER
THAN
MOUNTING
CHANNELS
.
3
a
••
&
\
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-
i
'
«
0
(
.
1
V
,
-
FRONT
-
2
^
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°
0
•
£
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r
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-
.
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'
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.
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\
*
•
A
i
"
>
A
;
"
"
.
’
'
(
*
:
A
.
'
*
A
*
•
Fig
.
12
(
0673
D
0500
-
G
03
-
03
)
Foundation
For
Outdoor
Equipment
Anchor
Bolts
,
Floor
Steel
And
Other
.
Foundation
.
Material
:
Is
To
.
Be
Furnished
By
The
Purchaser
.
...
.
'
Fig
.
11
(
067
-
3
D
0500
-
002
-
05
)
Foundation
For
Indoor
Equipment
Anchor
Bolts
,
'
Floor
Steel
and
Other
Foundation
Material
1
•
•
Is
To
Be
Furniphed
By
The
Purchaser
.
10
Courtesy of NationalSwitchgear.com
)
AKD
-
5
P
ower
master
Switchgear
GEI
-
90890
•
V
*
\
\
ih
\
,
ffl
;
,
;
«
^
-
i
2
>
HA
*
l
>
NARE
POC
ANCHORING
'
4
-
,
:
FLOOR
PLATgjj
,
'
]
N
l
?
-
<
b
-
tc
2
X
Sj
Pig
.
.
13
(
C
673
T
)
050
C
-
O
0
g
-
C
5
)
Location
Of
Anchor
Bolts
In
Front
Of
Indoor
Equipment
.
\
*
REMOVING
SHIPPING
SKID
INDOOR
EQUIPMENT
ONLY
•
TABLE
A
!
-
TORQUE
VALUES
FOR
LOW
VOLTAGE
EQUIPMENT
HARDWARE
Insulation
-
Copper
-
Steel
1
»
If
the
switchgear
is
part
of
a
load
-
center
unit
substation
,
the
transformer
section
should
be
set
on
its
pad
in
accordance
with
the
proper
instructions
furnished
with
the
transformer
,
If
practical
,
the
shipping
skid
should
be
left
on
the
equipment
until
it
is
at
or
near
its
final
location
.
The
skid
is
bolted
to
the
equipment
—
.
through
the
anchor
bolt
holes
used
for
final
installation
*
The
bolts
hv
the
rear
of
the
.
equipment
may
be
removed
by
opening
the
rear
doors
.
To
remove
the
bolts
in
the
front
,
the
drawout
mechanism
must
be
brought
out
to
the
fully
withdrawn
position
before
removing
.
A
tag
is
tied
to
the
doors
of
the
compartments
which
have
the
bolts
.
Drawout
procedure
is
explained
on
page
17
.
NOTE
:
When
AKD
-
5
switchgear
is
in
-
stalled
in
the
same
line
-
up
with
transformers
and
other
equipment
,
it
is
imperative
that
all
mounting
surfaces
be
level
.
Foot
-
Pounds
Bolt
Size
1
/
4
-
20
3
/
8
-
16
:
1
/
2
-
13
5
/
8
-
11
6
-
8
20
-
25
50
-
70
80
-
90
2
.
/
The
switchgear
packages
should
be
placed
on
its
foundation
with
the
aid
of
crane
or
jacks
as
shown
in
Fig
,
9
for
indoor
equipment
and
Fig
,
10
for
outdoor
equipment
,
These
packages
should
be
connec
ted
and
*
bolted
together
as
follows
:
a
,
Bolt
the
packages
together
using
3
/
8
-
16
bolts
,
lockwashers
and
nuts
at
the
points
shown
on
the
instal
-
lation
diagram
Figs
.
15
and
16
,
b
.
Connect
together
the
main
buses
,
ground
buses
,
and
neutral
buses
of
adjacent
snipping
packages
by
.
bolting
or
welding
as
required
.
If
the
purchaser
specified
bolted
con
-
nections
,
bolt
the
bus
bars
together
using
the
splice
bars
furnished
With
the
equipment
.
The
ground
bus
splice
bars
must
be
bolted
to
5
.
the
inside
of
the
rear
frame
of
adjoining
sections
four
inches
ab
-
ove
the
floor
,
using
3
/
8
-
16
x
3
/
4
HEX
HD
bolts
,
washers
,
lockwash
-
ers
and
nuts
,
as
shown
in
Figs
,
15
and
16
.
The
neutral
bus
splice
bars
are
to
be
mounted
to
the
7
.
Bus
ducts
and
cable
conduits
must
be
inside
of
the
rear
frame
of
ad
-
joining
sections
using
insulated
spacers
and
the
following
size
hardware
:
1
/
2
-
13
HEX
HD
bolts
,
'
1
/
2
Inch
flat
washers
,
1
/
2
Inch
lockwashers
,
and
fiber
washers
,
as
8
.
shown
in
Figs
,
15
and
16
.
See
Table
A
required
torque
values
for
various
size
bolts
.
If
welded
joints
are
specified
,
the
bus
bars
are
to
be
welded
together
using
bus
splice
sections
in
accordance
with
the
field
welding
procedure
for
aluminum
buses
,
included
in
this
book
,
page
13
,
c
»
Route
and
connect
control
cables
between
units
at
the
shipping
splits
.
Make
the
necessary
connections
by
referring
to
the
connection
dia
-
gram
to
determine
what
leads
and
how
many
are
to
be
connected
.
•
4
,
If
the
switchgear
is
part
of
a
load
-
center
unit
substation
make
the
neces
-
sary
bus
connections
to
the
transfor
-
mer
.
The
ground
connection
bar
in
the
•
!
bus
entrance
compartment
will
be
ship
-
ped
turned
in
,
to
reduce
the
size
of
the
shipping
package
and
to
protect
in
from
damage
.
This
bar
should
be
re
-
assembled
in
the
correct
position
as
required
and
connected
at
the
offset
-
portion
to
the
transformer
ground
pad
•
with
a
1
/
2
inch
bolt
,
The
transformer
ground
pad
is
located
18
-
1
/
2
inches
above
the
switchgear
floor
.
ANCHORING
3
'
.
The
switchgear
should
be
mounted
on
*
top
of
the
steel
channels
in
a
position
as
shown
in
Figs
,
11
and
12
and
securely
an
-
chored
to
the
channels
*
As
the
units
are
mounted
onto
the
foundation
channels
,
they
should
be
bolted
together
as
descr
ibed
under
.
assembly
.
There
are
several
good
methods
of
an
-
choring
the
switchgear
equipment
to
the
foundation
channels
.
One
of
the
methods
for
anchoring
indoor
equipment
onlyto
use
1
/
2
inch
anchor
bolts
through
the
holes
pro
-
vided
in
the
bottom
of
the
switchgear
equip
-
ment
as
shown
in
the
floor
plan
view
draw
-
ing
furnished
with
the
equipment
.
Another
method
is
to
tack
weld
the
bottom
channel
of
the
equipment
to
the
foundation
channel
,
The
equipment
should
be
anchored
to
the
foundation
by
anchor
bolts
,
or
tack
welds
as
specified
under
the
paragraph
headed
"
Anchoring
"
.
6
,
All
shipping
supports
must
be
removed
from
the
switchgear
,
•
’
Three
suggested
methods
for
anchoring
outdoor
AKD
-
5
switchgear
are
illustrated
in
Fig
,
.
12
*
All
of
these
methods
use
an
anchor
bolt
and
floor
clamp
to
secure
the
supporting
channel
to
the
foundation
.
lined
up
and
connected
to
the
equipment
,
The
hardware
for
connecting
a
bus
duct
to
the
switchgear
is
furnished
with
the
bus
duct
.
ASSEMBLY
OF
EQUIPMENT
Indoor
Equipment
-
Before
assembly
of
the
equipment
is
begun
,
all
components
should
be
on
hand
so
that
work
may
proceed
.
without
delay
,
The
individual
shipping
pack
-
ages
must
be
connected
together
In
position
on
the
foundation
.
When
assembling
in
-
dividual
shipping
packages
,
start
with
the
middle
section
to
insure
minimum
deviation
from
the
overall
length
divension
.
As
-
semble
the
switchgear
as
follows
:
Cheek
to
see
that
the
breakers
are
in
their
respective
compartments
.
Brea
-
kers
are
assigned
to
definite
compart
-
ments
when
an
order
Is
engineered
,
.
Each
breaker
is
assigned
a
part
or
mark
number
.
This
number
is
shown
on
the
breaker
sheets
of
the
summary
,
the
front
view
drawings
,
the
breaker
nameplate
,
and
on
the
identification
card
on
the
breaker
shipping
carton
,
11
Courtesy of NationalSwitchgear.com
GEI
-
90890
AKD
-
6
Powermaster
Switchgear
Breaker
Removal
1
.
Trip
the
breaker
.
2
.
Operate
to
the
fully
withdrawn
position
.
%
C
;
-
3
.
Remove
the
breaker
by
lifting
device
.
BREAKER
OPERATION
Closing
manually
operated
breakers
.
AK
-
2
A
-
16
&
25
,
The
closing
mechanism
of
these
break
-
ers
is
designed
so
its
speed
,
when
closing
the
breaker
contacts
,
is
independent
of
the
speed
of
the
operating
handle
.
To
do
this
,
a
spring
is
charged
,
and
the
release
of
the
energy
stored
in
the
spring
actually
closes
the
breaker
.
To
close
the
breaker
;
Rotate
the
operating
handle
about
90
degrees
counter
clockwise
.
This
will
partially
charge
the
closing
springs
.
Rotate
the
operating
handle
clockwise
back
to
the
original
position
,
Near
the
end
of
this
stroke
the
springs
will
discharge
and
close
the
breaker
con
-
tacts
.
Do
not
operate
the
breaker
handle
when
the
breaker
contacts
are
closed
.
If
all
interlocks
are
not
made
the
breaker
will
be
trip
free
;
that
is
,
its
con
-
tacts
will
not
close
*
To
locate
the
breaker
in
the
proper
To
Hoist
a
Breaker
-
compartment
refer
to
the
breaker
lo
-
cation
list
on
the
front
view
drawing
.
Find
the
proper
breaker
by
the
ident
-
ification
card
on
the
breaker
package
.
Check
the
mark
numbers
on
the
breaker
escutcheon
as
a
double
check
before
installing
it
in
its
compartment
.
All
:
identical
breakers
will
have
the
same
3
.
mark
number
,
1
,
Put
the
breaker
in
front
of
the
unit
it
is
to
be
installed
in
.
2
.
Pay
out
enough
hoist
cable
to
install
,
the
hooks
on
the
slots
on
the
breaker
side
frames
,
Pull
the
eye
(
on
the
end
of
the
hoist
cable
)
up
to
a
point
Just
under
the
proper
ball
on
the
hoist
cable
*
If
the
proper
ball
is
not
used
,
the
hoist
will
not
raise
the
-
breaker
high
enough
to
install
in
the
top
compartment
.
i
Before
placing
AK
-
2
A
-
25
and
AK
-
2
A
-
50
in
their
compartments
the
bolts
con
-
necting
the
primary
disconnect
stabs
*
to
the
bus
should
be
checked
for
tight
-
ness
,
These
bolts
are
located
behind
The
proper
ball
is
as
follows
:
the
molded
insulation
supports
for
the
primary
disconnects
.
There
Is
one
5
/
8
-
11
bolt
in
each
AK
-
2
A
-
26
connec
-
tion
bar
and
(
2
)
1
/
2
-
13
bolts
in
each
AK
-
2
A
-
50
connection
bar
.
These
bolts
should
be
torqued
to
the
values
shown
in
Table
A
,
a
,
AK
-
15
&
25
-
the
ball
nearest
the
hooks
b
.
AK
-
50
-
the
second
ball
from
the
.
hooks
-
the
third
ball
from
the
hooks
-
the
fourth
ball
from
the
hooks
(
the
one
nearest
.
the
hoist
)
CAUTION
:
Do
not
unwind
cable
completely
o
.
from
drum
.
Operating
crank
must
turn
clockwise
to
hoist
the
breaker
;
turn
counter
-
clockwise
to
lower
the
breaker
.
c
.
AK
-
75
d
,
AK
-
100
The
installation
procedure
for
the
breakers
is
described
separately
under
'
’
Breaker
Insertion
!
1
,
9
.
Remove
all
blocking
on
.
realys
and
devices
.
10
.
Make
a
final
inspection
to
see
that
there
are
no
tools
,
construction
mater
-
ials
,
or
other
foreign
matter
left
in
the
4
,
switchgear
.
Raise
the
breaker
to
the
proper
post
tion
,
,
Breaker
Insertion
Trim
-
The
trim
strip
which
must
be
attached
to
the
top
front
of
each
indoor
Before
installing
or
operating
a
breaker
*
equipment
is
shipped
separately
on
top
of
the
refer
to
the
breaker
instruction
manual
for
switchgear
assembly
.
After
the
lifting
preoperation
inspection
and
test
.
Check
brackets
have
been
removed
from
the
front
thoroughly
for
any
damaged
or
loose
parts
channel
the
trim
strip
should
be
located
and
for
any
dirt
or
foreign
matter
which
and
secured
to
the
channel
with
3
/
8
-
16
may
be
in
the
breaker
,
.
bolts
.
AK
-
2
A
-
50
,
75
&
100
The
closing
mechanism
of
these
break
-
ers
is
similar
to
the
AK
-
2
A
-
15
&
25
.
*
XT
'
o
c
^
KA
To
close
the
breaker
:
IMPORTANT
AK
-
25
and
AK
-
50
4
.
.
breaker
compartments
designed
for
future
1
*
Rotate
the
operating
handle
counter
use
,
and
certain
other
compartments
will
clockwise
about
120
,
degrees
until
it
have
a
red
Insulating
boot
installed
on
the
stops
,
.
.
.
.
primary
disconnect
Sr
Remove
these
boots
2
.
Rotate
the
handle
clockwise
about
120
before
installing
the
breaker
,
degrees
until
it
stops
*
The
charge
.
_
‘
*
counter
on
the
breaker
escutcheon
will
1
.
Insert
handle
on
Jackscrew
shaft
,
show
the
position
of
the
charging
mech
-
1
.
Lift
the
hoist
into
position
on
top
of
2
.
Rotate
counter
clockwise
until
jack
-
an
Bm
.
,
"
the
switchgear
so
that
the
end
with
the
screw
is
stopped
,
(
Indicator
should
3
,
Rotate
the
handle
back
and
forth
for
single
roller
is
toward
the
reafc
.
of
the
read
DISC
)
.
four
complete
strokes
.
On
the
down
-
equipment
.
A
channel
is
provided
on
ward
(
clockwise
)
part
of
the
fourth
the
top
of
the
equipment
.
This
channel
3
.
Remove
handle
and
open
compartment
stroke
,
the
breaker
will
close
.
It
is
serves
as
the
track
for
the
single
door
,
not
recommended
that
the
closing
wheel
on
the
rear
of
the
hoist
assembly
.
springs
be
discharged
with
the
breaker
If
space
is
available
at
the
end
of
the
4
.
Pull
latch
release
levers
(
71
)(
45
)
.
in
the
closed
position
,
equipment
the
hoist
may
be
assembled
by
sliding
the
.
rear
wheel
under
the
5
.
Pull
tracks
out
until
they
strike
in
-
Closing
Electrically
Operated
Breakers
top
leg
of
the
channel
and
then
lifting
.
ternal
stops
.
'
the
front
end
of
the
hoist
over
the
Electrically
operated
breakers
may
be
'
f
stop
clip
and
positioning
the
front
6
.
Lower
breaker
onto
tracks
,
lining
up
operated
by
a
-
c
control
power
,
or
d
-
c
wheels
so
that
they
will
straddle
the
the
breaker
-
mounting
pins
with
the
(
normally
station
battery
)
control
power
.
*
tapered
front
track
,
If
space
at
the
notches
in
the
tracks
<
36
,
37
)
(
41
,
42
)
.
,
,
ends
of
the
equipment
is
restricted
,
the
They
may
be
controlled
by
a
push
-
angle
which
is
bolted
to
the
hoist
side
7
,
Push
breaker
and
tracks
into
the
house
button
switch
on
the
breaker
escutcheon
*
frames
Immediately
in
front
of
the
until
stopped
by
latches
(
37
-
2
)
(
41
-
1
)
.
by
a
breaker
control
switch
,
or
by
a
relay
single
rear
roller
must
be
removed
.
contact
.
The
control
switch
or
relays
may
The
rear
wheel
can
then
be
hooked
under
8
,
Secure
latches
by
rotating
latch
release
be
located
in
the
equipment
which
houses
the
channel
and
the
front
wheels
can
levers
.
the
breaker
,
or
may
be
in
some
remote
be
positioned
on
the
front
track
.
The
location
,
retaining
angle
at
the
rear
should
then
9
.
Close
compartment
door
,
be
reassembled
,
This
angle
prevents
the
rear
wheel
from
becoming
unhooked
10
,
Insert
handle
on
jackscrew
shaft
and
in
.
the
event
that
the
front
rollers
should
become
untracked
.
Stop
clips
are
provided
at
each
end
of
the
front
track
to
prevent
the
hoist
assembly
from
riding
off
the
ends
of
the
track
.
Hoist
-
The
breaker
hoist
,
when
sup
-
plied
with
indoor
equipment
,
is
shipped
completely
assembled
in
a
separate
carton
.
To
install
the
hoist
on
an
indoor
equipment
proceed
as
follows
:
-
V
.
\
Design
any
remote
control
circuit
so
the
voltage
drop
Will
not
allow
the
voltage
at
the
breaker
to
be
below
accepted
values
,
For
maintenance
or
further
instruction
f
/
refer
to
the
instruction
book
furnished
with
i
the
breaker
.
•
i
rotate
clock
-
wise
to
move
breaker
into
the
house
.
Breaker
is
In
connected
-
position
when
jackscrew
can
no
longer
be
rotated
.
(
Indicator
should
?
ead
.
CONN
.
)
12
Courtesy of NationalSwitchgear.com
AKD
-
6
Power
master
Switchgear
GEI
-
90890
'
.
#
AK
-
1
A
-
25
-
This
breaker
is
closed
The
gasket
for
outdoor
transformers
2
.
Route
the
control
cables
from
the
by
a
solenoid
.
The
solenoid
armature
is
and
flexible
bus
connectors
arefurn
-
linked
to
the
breaker
mechanism
and
its
ished
with
the
transformer
,
while
the
\
movement
,
operating
through
the
closing
hardware
for
connecting
bus
bars
and
mechanism
,
closes
the
breaker
.
transformer
flange
to
the
switchgear
is
supplied
with
the
switchgear
.
The
flex
-
AK
-
2
A
-
15
&
25
-
In
this
breaker
a
ible
connectors
must
be
bolted
to
the
solenoid
operates
a
spring
-
charged
mech
-
switchgear
copper
shown
in
Fig
.
16
.
anism
.
The
breaker
is
closed
by
discharg
-
ing
the
spring
.
When
a
hoist
is
provided
with
outdoor
equipment
,
it
is
shipped
mounted
and
secur
-
AK
-
2
A
-
50
,
75
&
100
-
In
these
break
-
ed
in
place
.
The
yellow
shipping
supports
ers
a
universal
motor
driving
a
gear
at
.
either
end
of
the
hoist
movable
track
4
reducer
charges
a
closing
spring
.
The
must
be
removed
as
shown
in
Fig
.
16
,
breakers
are
closed
by
discharging
these
To
free
the
hoist
dolly
another
shipping
springs
.
support
must
be
removed
*
The
support
is
held
by
two
1
/
4
-
20
nuts
and
lockwashers
,
one
on
each
stud
of
two
U
bolts
,
that
must
be
replaced
,
Fig
.
16
.
duits
through
the
wiring
trough
at
the
side
of
the
cable
compartment
and
connect
the
cables
to
the
terminal
blocks
in
accordance
with
the
connec
-
tion
diagrams
furnished
with
the
equip
-
rnent
.
\
3
,
If
the
control
conduits
enter
from
above
,
drill
the
top
cover
within
the
available
space
Indicated
.
.
.
Control
wiring
should
be
checked
with
the
connection
diagram
to
make
certain
that
all
remote
connections
are
made
,
all
fuses
installed
,
current
transformer
circuits
completed
,
loose
connections
tightened
.
5
.
The
cables
from
the
control
power
source
to
the
switchgear
should
be
large
enough
to
avoid
excessive
voltage
drop
when
the
circuit
breakers
are
operated
.
See
Testing
and
Inspection
.
FIELD
WELDING
PROCEDURE
The
field
welding
of
aluminum
bus
conductors
must
be
of
the
highest
possible
quality
,
Fialure
of
a
single
joint
in
service
may
cause
a
very
costly
shut
-
down
for
:
or
possible
replacement
of
equip
-
Manual
Tripping
rx
A
mechanically
operated
trip
button
,
.
i
'
)
mounted
on
the
breaker
escutcheon
,
oper
-
ates
the
trip
shaft
to
open
the
breaker
.
When
making
cable
connections
,
refer
Electric
Tripping
to
Fig
.
7
,
which
shows
a
typical
routing
and
support
system
.
Adequate
electrical
A
shunt
trip
device
is
an
accessory
and
mechanical
clearances
must
beprovid
-
electrical
tripping
,
A
normally
ed
between
conduits
,
cables
and
bus
.
Where
open
auxiliary
switch
"
a
”
contact
opens
the
the
cables
enter
the
unit
,
the
cables
can
be
control
circuit
after
the
breaker
opens
.
lashed
to
cable
supports
at
the
rear
of
the
cable
compartment
as
required
.
Bus
Bars
-
When
making
bolted
bus
bar
connections
-
to
adjoining
equipment
,
proceed
as
follows
:
Main
Cables
V
;
used
for
any
main
cable
connections
are
repair
cables
should
be
identified
to
ment
.
Before
made
,
the
indicate
correctly
their
phase
relationship
-
„
,
,
-
with
equipment
.
The
phase
sequence
is
Welding
Operator
Qualifications
-
surfaces
are
cleaned
with
a
clean
'
stenciled
over
the
feeder
studs
.
In
all
cases
,
Before
welding
the
actual
bus
installation
,
cloth
or
solvent
if
needed
,
the
carefully
follow
the
cable
manufacturer
'
s
welding
operatorsshouldbegivenanopport
-
contacting
surfaces
must
be
coated
.
recommendations
for
installation
of
cable
,
unity
to
practice
on
typical
joints
.
(
These
with
lubricant
,
D
50
H
47
,
furnished
as
well
as
the
instructions
contained
in
this
typical
joints
can
be
supplied
by
the
General
With
each
equipment
.
book
,
A
non
-
oxidizing
lubricant
,
such
as
Electric
Company
if
requested
well
In
ad
-
,
^
‘
‘
,
=
.
,
A
,
,
D
50
H
47
furnished
with
each
equipment
can
vance
of
the
actual
installation
)
.
These
b
.
Bolt
the
bus
bar
brackets
together
be
used
on
the
terminal
connection
surf
aces
,
typical
joints
should
be
welded
by
the
op
-
using
a
bolt
,
washer
(
2
)
,
and
stop
erators
to
be
qualified
,
under
identical
nut
for
each
bus
connection
.
Refer
Bolt
the
cable
terminal
connectors
as
conditions
,
(
vertical
)
welding
positions
,
and
to
Table
A
for
proper
torque
required
to
each
load
stud
,
depending
upon
temperature
to
be
encountered
In
the
actual
values
.
the
number
of
cables
to
be
connected
to
it
.
installation
,
These
welds
should
be
ox
-
_
-
•
,
,
.
All
cable
runs
should
be
as
straight
as
amined
for
over
-
all
appearance
,
Cross
-
Outdoor
Equipment
-
Assembly
of
out
-
possible
.
sections
,
removed
from
these
joints
suit
-
equipment
Is
the
same
as
for
the
ably
etched
,
must
show
weld
metal
to
the
indobr
equipment
with
the
following
oxcep
-
Two
cable
supports
are
provided
at
joint
root
,
be
reasonably
free
of
porosity
,
tions
:
the
rear
of
the
feeder
cable
and
bus
duct
and
have
a
convex
shape
.
terminal
compartment
.
Using
these
cable
supports
,
lash
the
cables
at
the
appropriate
If
so
desired
,
the
test
joints
may
be
level
as
required
in
the
bottom
of
the
cable
sent
to
the
General
Electric
Company
for
compartment
when
cables
enter
from
below
,
inspection
and
evaluation
.
For
this
,
contact
It
Is
imperative
that
all
cables
be
adequate
-
the
nearest
Apparatus
Sales
Office
,
ly
supported
to
take
their
weight
off
term
-
inals
and
studs
,
and
to
prevent
movement
during
short
circuit
.
a
.
After
the
silver
plated
contacting
door
1
.
Check
alignment
of
doors
on
outdoor
equipment
to
see
that
the
weatherproof
seal
has
not
been
disturbed
.
2
,
When
j
oining
shipping
packages
,
special
procedures
for
weather
-
proofing
must
be
followed
as
indicated
in
*
feig
.
16
.
The
joint
in
the
roof
between
units
and
shipping
splits
must
be
weather
-
proof
-
ed
.
This
is
done
as
shown
in
Fig
.
21
by
placing
a
rubber
seal
over
the
1
.
top
edge
of
the
roof
support
batten
so
that
the
roof
section
and
:
angles
butt
;
up
against
this
rubber
seal
on
both
2
,
Bolt
terminal
connectors
to
the
breaker
sides
*
Bolt
this
joint
together
,
using
.
load
studs
in
the
cable
compartment
.
3
/
8
-
16
hex
head
bolts
,
lockwashers
and
hex
nuts
.
A
roof
cap
is
placed
3
,
over
this
seam
and
held
in
place
by
the
roof
trim
.
Joints
between
trans
-
former
throat
and
switchgear
,
and
be
-
tween
shipping
splits
,
must
be
weather
proofed
as
shown
in
installation
dia
-
.
gram
Fig
.
16
.
Install
a
front
and
rear
batten
and
rubber
seal
at
the
shipping
joints
and
bolt
them
together
the
furnished
3
/
8
-
16
hardware
.
The
gas
-
shielded
consumable
-
electrode
process
is
recommended
.
Connect
main
cables
as
follows
:
The
weld
joint
used
in
-
splices
is
a
modified
butt
joint
.
The
following
points
Route
the
cables
as
required
and
lash
are
pertinent
:
them
to
supporting
structure
.
a
.
Before
welding
,
all
joints
must
have
1
/
8
”
minimum
space
at
the
root
of
the
weld
.
b
.
The
joint
and
joint
area
must
be
;
clean
of
any
foreign
material
.
c
.
Protect
the
insulation
from
the
arc
and
weld
splatter
,
d
.
Always
weld
uphill
.
e
.
If
the
temperature
is
below
freez
-
ing
.
preheat
the
bars
to
about
lOOO
F
.
Coat
the
connections
with
D
50
H
47
,
in
-
sert
the
cables
into
the
terminals
and
tighten
the
set
screws
securely
,
Control
Cables
Connect
control
cables
to
the
switch
-
gear
unit
as
follows
:
.
1
,
When
control
conduits
enter
the
switch
-
gear
from
below
,,
the
conduits
should
not
extend
more
than
one
inch
from
the
floor
,
The
control
cables
may
be
pulled
through
the
conduits
before
or
after
total
the
switchgear
is
installed
,
whichever
leave
gap
first
.
Weld
as
follows
:
split
with
Remove
the
lifting
plates
from
front
and
rear
of
the
switchgear
base
at
i
'
V
}
both
ends
of
the
shipping
split
joint
V
<
;
>
/
and
assemble
the
front
and
rear
splice
plates
as
shown
in
Fig
,
16
,
1
Clamp
the
splice
in
place
,
(
both
joints
)
is
over
1
/
4
inch
,
,
side
and
weld
the
largest
If
the
on
one
is
more
convenient
.
13
Courtesy of NationalSwitchgear.com
f
GEl
-
90890
AKD
-
5
PowerMaster
Switchgear
One
bar
per
phase
(
1600
ampere
equip
-
TESTING
AND
INSPECTION
.
After
the
equipment
has
been
installed
and
all
connections
made
,
it
must
be
tested
and
inspected
before
putting
it
in
service
.
Although
the
equipment
and
devices
have
been
tested
at
the
factory
,
a
final
field
test
must
be
made
to
be
sure
that
the
equip
-
ment
has
been
properly
installed
and
that
all
connections
are
correct
.
The
primary
equipment
must
be
completely
de
-
energized
while
the
tests
are
in
progress
.
;
Key
Interlocks
ments
)
.
After
initial
installation
of
the
switch
gear
equipment
,
all
necessary
interlock
^
5
#
%
keys
should
be
inserted
into
the
appropriate
locks
and
all
Spare
keys
should
be
placed
in
the
hands
of
a
responsible
person
.
Refer
to
the
key
interlock
schematic
included
in
the
summary
furnished
with
the
equipment
to
determine
the
sequence
of
operation
and
the
correct
number
of
operating
keys
re
-
quired
.
This
precaution
is
necessary
since
improper
use
of
spare
keys
will
defeat
the
interlocking
scheme
.
1
.
Tack
weld
the
splice
on
the
top
on
one
side
only
.
2
.
Weld
this
side
completely
,
Strive
for
penetration
,
particularly
on
the
V
root
pass
.
The
finished
weld
should
be
convex
about
1
/
8
"
.
Burn
in
and
fill
the
top
and
bottom
of
the
weld
.
Directions
for
testing
relays
,
instru
-
ments
,
and
meters
,
are
given
in
the
in
-
struction
book
furnished
for
each
device
.
The
settings
of
the
protective
relays
must
be
coordinated
with
the
other
relays
on
the
system
and
therefore
these
relays
must
4
.
Tack
the
top
of
the
other
joint
be
set
by
the
p
rue
baser
.
General
instruc
-
and
weld
using
the
same
procedure
,
tions
on
setting
the
relays
are
given
in
the
Relay
Instruction
Book
.
3
,
,
Allow
the
.
splice
to
cool
until
you
can
hold
your
bare
hand
on
it
before
welding
the
other
side
.
Breaker
Operation
.
Test
Ail
compartments
housing
all
AK
cir
-
cuit
breakers
have
a
TEST
position
,
in
contacts
are
which
the
breaker
primary
disconnected
,
while
the
secondary
contacts
The
extent
of
the
tests
on
the
equipment
are
still
engaged
.
This
TEST
position
as
a
whole
will
depend
on
the
type
and
permits
complete
testing
of
the
electrical
function
of
the
equipment
.
Tests
which
control
circuit
without
energizing
the
pri
-
should
be
performed
,
however
,
include
cir
-
mary
power
circuit
.
When
the
breaker
is
cult
breaker
operation
,
and
switchgear
met
-
first
put
into
service
,
its
control
circuit
gering
,
phasing
,
,
and
grounding
checks
,
must
be
thoroughly
tested
while
in
this
High
potential
tests
to
check
the
Integ
-
*
o
make
sure
that
jll
closings
and
Loosen
the
bus
support
bolts
and
rity
of
the
insulation
are
not
necessary
if
tr
^
pingcircuits
are
complete
and
function
-
add
1
/
8
"
'
of
washers
to
the
spacer
the
installation
instructions
are
carefully
.
between
bars
,
This
makes
the
followed
.
If
local
codes
demand
this
test
•
distance
between
bars
1
-
1
/
4
"
.
Two
bus
bars
per
phase
(
3000
amp
equipments
)
.
5
,
Follow
the
preceedlng
steps
for
the
inside
bar
.
Allow
it
to
cool
until
you
can
hold
your
bare
hand
on
it
.
6
.
or
the
purchaser
wishes
to
make
high
po
-
The
TEST
position
is
not
suitable
for
tential
tests
,
the
voltage
should
not
exceed
inspection
and
maintenance
of
the
breaker
,
:
~
75
%
of
the
AIEE
factory
test
voltage
,
For
and
should
therefore
be
used
only
for
the
power
circuit
the
AIEE
factory
test
testing
breaker
operation
,
voltage
is
two
times
switchgear
rating
plus
8
.
;
Remove
washers
and
replace
bus
1000
volts
.
Potential
and
control
power
support
bolts
after
the
bars
are
cool
.
:
7
.
;
Tighten
bars
and
weld
(
follow
steps
1
-
4
)
,
Refer
to
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