GE IAC60T, IAC80T, IAC90T Instructions Manual
IN
ST
RU
CT
ION
S
GEK-65573
TIME
IAC6OT,
OVERCURRENT
IAC8OT,
RELAYS
IAC9OT
GENERAL
ELECTRIC
GEK-65573
DESCRIPTION
APPLICATION
CONSTRUCTION
RATINGS
TIME
OVERCURRENT
INSTANTANEOUS
AUXILIARY
CONTACTS
BURDENS
TIME
OVERCURRENT
INSTANTANEOUS
AUXILIARY
CHARACTERISTICS
TIME
OVERCURRENT
INSTANTANEOUS
RECEIVING,
ACCEPTANCE
VISUAL
HANDLING
TESTS
INSPECTION
MECHANICAL
TIME
INSTANTANEOUS
CAUTION
DRAWOUT
POWER
TIME
REQUIREMENTS
OVERCURRENT
TIME
PICKUP
TIME
INSTANTANEOUS
PICKUP
AUXILIARY
INSTALLATION
INSTALLATION
TIME
INSTANTANEOUS
AUXILIARY
TIME
CHECKS
OVERCURRENT
PERIODIC
INSTANTANEOUS
AUXILIARY
CONTACT
SYSTEM
TEST
SERVICING
MECHANICAL
TIME
INSTANTANEOUS
ELECTRICAL
TIME
INSTANTANEOUS
OF
PARTS
FIGURES
RENEWAL
LIST
OVERCURRENT
UNIT
OVERCURRENT
UNIT
OVERCURRENT
AND
INSPECTION
OVERCURRENT
RELAY
TESTING
SETTING
TEST
TEST
UNiT
AND
RESET
UNIT
TESTS
OVERCURRENT
UNIT
ROUTINE
AND
UNIT
UNIT
CLEANING
ADJUSTMENTS
OVERCURRENT
ADJUSTMENTS
OVERCURRENT
UNIT
UNIT
UNIT
STORAGE
UNIT
OVERCURRENT
GENERAL
UNIT
UNIT
UNIT
MAINTENANCE
UNIT
UNIT
UNIT
UNIT
UNIT
CONTENTS
UNIT
UNIT
UNIT
UNIT
PAGE
3
3
4
5
5
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8
P
8
8
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18
19
2
GEK—65573
The
overcurrent
instantaneous
drawout
overcurrent
extremely
this
feature
The
instantaneous
amperes
continuous
The
Fig.
15.
IAC0T,
case.
inverse
time
of
and
outline
units
overcurrent
unit,
is
provided
overcurrent
units
both
short
IAC8OT
with
The
which
in
have
the
and
wound
three
is
the
IAC9OT.
by
time
time
mounting
TIME
IAC6OT,
and
units
models
inverse
the
units
an
adjustment
and
ratings,
OVERCLJRRENT
IAC8OT,
DESCR
IAC9OT
shading
and
one
relays
coils
dc
differ
in
The
relays
associated
are
range
instantaneous
are
provided
dimensions
APPI
IPTION
auxiliary
only
the
IAC6OT,
do
distance
adjustable
units,
of
the
ICAT
ION
RELAYS
IAC9OT
consist
for
in
not
of
25
in
L2
torque
unit,
the
very
include
relays.
over
to
as
the
size
of
two
control,
all
characteristic
inverse
a
tarciet
range
a
1.
The
well
section
drawout
induction
mounted
as
information
on
two
in
in
the
seal-in
of
8
available
RATINGS.
case
disk
plunger-type
the
L2
of
the
IAC8OT
unit
to
1;
ranges
on
are
shown
timer
size
time
and
since
the
in
their
in
The
conjunction
of
the
distance
supply.
coils
the
and
auxiliary
operation
This
arrangement
zone
tripping
At
the
protection
The
covered
mho-type
The
CEY51A
contacts
directional
control
CEY52A
IAC6OT,
with
instantaneous
relay
The
time
contacts
unit,
of
the
same
time
and
elementary
by
this
distance
is
a
of
the
mho
the
time
contacts.
These
cvii-y
pcesibZ
turthe
the
our
chaser’s
T
hat
no
such
I1C80T
two
trip
circuit
overcurrent
of
which
time
provides
and
overcurrent
the
scheme
backup.
diagram
instruction
relays
first-zone
instantaneous
relay
overcurrent
ntructiuns
contingency
information
purposos,
the
xtcnt
rssuranee
and
zones
overcurrent
the
dc
in
overcurrent
the
to
directional
that
operates
not
do
to
b
desi
red
the
required
isg;yen
the
IAC9OT
of
step—distance
to
prevent
units
auxiliary
turn
completes
means
relays
provides
in
Fig.
book
may
provide
units
unit.
purport
met
be
n
or
houid
mat
ter
ullauirt
urnjucts
C;
th
respet
units
are
units
for
or
a
10
be
two—zone
of
the
The
to
cover
cnneetion
partJ
be
descrl,ed
to
relays
are
incorrect
torque
unit.
the
provides
obtaining
fuses
definite
illustrates
used
mho
relay
the
dc
auxiliary
time
details
all
with
cular
problerro
referred
herein
lonol
codes
are
relays.
connected
tripping
controlled
The
second
wound
the
installed
second
in
conjunction
protection
that
IAC
relay.
overcurrent
or
variations
installation,
arise
to
the
General
r,ieet
applicable
and
ordinances
specifically
In
this
to
zone
shading
second
close
coordination
at
zone
how
any
against
trips
The
unit
unit
in
operation
which
arm
Tiectric
aSsr.
because
application
supervise
on
loss
by
distance
coil
zone
tapped
reach
one
of
with
without
CEY52A
in
the
trips
equipment
or
not
covered
Company.
1555
they
designed
of
means
circuit.
time-delay
loads
for
the
the
CEV51A
multi—phase
time
is
JAC
the
nor
,rintenance.
sufficiently
and
NEM4
vary
of
the
three
to
•
greatly.
the
the
relay
provide
for
the
the
ac
wound
relays
between
on
overall
delay
second
breaker
Should
standards;
use
contacts
first
zone
potential
shading
operate
Subsequent
tripping.
second
the
line.
line
IAC
relays
and
CEY52A
faults.
through
zone
to
torque
via
for
for
in
the
3
GEK-65573
It
not
are
these
units
contacts
contacts,
fault
current.
The
accomodate
fuses
with
The
Separate
faults.
The
operating
are
coil
pickup
the
contact
The
portion
magnetic
points
with
lower
the
resistor
a
legs
auxiliary
is
important
designed
of
it
range
the
and
scheme
ground
inverse
coil
connected
point.
of
the
extremely
of
circuit.
on
a
of
must
these
is
the
tap
the
for
he
obvious
and
desired
relays
shown
relays
and
wound
auxiliary
iron
block.
(and
magnetic
unit
note
to
continuous
set
units
that
above
are
that
characteristics
pickup
at
other
Fig.
in
must
inverse
very
on
a
U—magnet
to
The
points
tap
U-magnet
unit
inverse
time
structure
of
One
these
The
capacitor
circuit.
hA.H
the
they
setting
be
“A.”
other
on
the
operation
maximum
to
he
must
of
points
10
provides
used
time
iron
on
a
includes
overcurrent
two
has
a
is
is
the
This
instantaneous
in
the
picked-up
expected
connected
operate
the
time
at
and
the
on
to
reliably
overcurrent
the
system.
protection
protection
for
CONSTRUCTION
overcurrent
structure.
tap
block
wound
to
shadinci
unit
concentric
tapped
a
extremely
operating
floating
winding
inverse
floating
overcurrent
load
full
supervise
time
same
against
units
The
provide
coils
is
the
windings
current
units)
circuit
units
position.
current.
on
the
units
permit
against
consist
several
a
ready
which
watt-metric
on
winding
which
and
connected
is
For
the
IAC
this
relays
reason
in
However,
first
the
minimum
must
time
multi—phase
zone
internal
he
coordination
CEY51A
selected
faults.
single-phase-to—ground
a
on
means
are
type.
middle
tapped
operating
the
of
selecting
connected
The
leg
current
of
of
taps
the
connected
coils
contact
a
in
is
connected
two
the
to
if
line
to
upper
to
series
on
the
to
a
the
tap
the
of
In
moving
The
contact
shaft
depending
the
on
acts
shaft
assembly
sapphire
an
adjustable
projects
The
compensated
driving
travel
of
Each
adjustable
The
carries
upward
into
cylindrical
both
is
on
jewel,
into
variable
force
of
of
the
types
which
restrained
tap
disk
consists
spring
pivot
bronze
a
the
by
as
the
the
armature
moving
the
pole
time
of
completes
by
setting,
produce
to
mounted
assembly
guide
retarding
spiral
spring
the
moving
contact,
instantaneous
contacts
coil
piece
by
inside
overcurrent
spiral
a
and
the
of
a
ring
force
shape
winds
is
mounted
upward
the
trip
the
motion
its
desired
polished
a
in
mounted
located
resulting
of
up.
thus
overcurrent
as
flux
coil.
the
units
circuit
spring
is
time
pin
screw-type
the
on
induction
the
A
calibrated
controlling
on
the
armature
the
created
Guides
the
when
give
to
retarded
characteristic.
driven
assembly.
frame
the
from
top
the
is
at
units
threaded
in
the
for
4
disk
it
the
by
into
and
of
gradient
disk.
time
the
of
portion
operated.
is
rectangular
the
and
touches
proper
an
the
The
having
the
This
dial
pickup
the
plunger
the
assembly
stationary
shaft
contact
Plnico
The
drag
lower
shaft
upper
bearing
polished
a
shaft.
the
of
results
determines
time.
plunger-type
of
a
The
magnet
rod
are
closing
macnet,
bearing
and
spiral
in
construction.
plunger
armature
provided
carry
riding
consists
pin
an
the
rod
frame
contact.
current
which
for
on
which
spring
increased
distance
which
drawn
is
and
at
the
the
a
of
is
a
the
top
by
a
carrier
allow
inside
access
The
telephone-type
The
removed
top
are
inserted
cover
prevents
TIME
from
and
bottom.
completed
is
OVERCURRENT
hole
in
the
to
auxiliary
relay
components
the
through
in
place
attached
the
cover
the
the
relay
The
of
UNIT
pole
calibration
armature
unit
to
from
is
of
each
case.
electrical
removable
the
the
‘A”
shown
connection
being
piece,
is
relay
The
case
and
Lube.
to
adjust
a
telephone—type
in
Fig.
are
cradle
connections
connection
plugs
from
replaced
GEK—65573
at
the
Openings
pickup.
11.
mounted
is
locked
between
to
permit
the
front
until
RATINGS
bottom
relay.
on
plugs.
and
the
by
in
the
a
cradle
in
the
the
Separate
testing
includes
connection
the
sides
The
assembly
case
case
fit
of
of
the
construction
by
means
blocks
testing
the
relay
an
interlock
plug
has
the
calibration
which
of
and
in
been
molded
of
can
latches
cradle
plugs
its
inserted.
a
be
case.
arm
contact
tube
typical
easily
at
blocks
can
which
the
be
The
Ratings
Available
RANGE
AMPERES
0.5
of
the
RELAY
IAC6OT
IAC8OT
IAC9OT
taps
-
4.0
time
overcurrent
FREQUENCY
CYCLES
________
for
time
0.5,
60
60
overcurrent
0.6,
0.7,
unit
TABLE
MAIN
UNIT
0.5
2.0
0.5
1.5
units
TABLE
0.8,
are
I
PICKUP
(TIME)
-
4.0
-
16.0
-
4.0
-
12.0
II
TAPS
1.0,
given
in
RANGE,
are
shown
AVAILABLE
1.?,
1.5,
Table
I.
AMPERES
INSTANTANEOUS
J
on
2—50
Table
(AMPERES)
2.0,
2.5,
UNIT
LI
3.0,
4.0
1.5
—
12
2.0
-
16
1.5,
2.0,
2.0,
2.5,
2.5,
3.0,
3.0,
4.0,
4.0,
5.0,
6.0,
7.0,
8.0,
5.0,
6.0,
7.0,
8.0,
10.0,
10.0,
12.0,
12.0
16.0
5
The
one—second
thermal
ratinqs
SEK-65573
are
listed
in
Table
III
given
The
in
RELAY
MODEL
IAC6OT
IAC8OT
IAC9OT
For
ratings
according
that
the
continuous
Tables
IV,
of
to
current
ratings
V
and
the
less
formula
flows.
VI.
for
than
the
TABLE
one
I
=./i,
various
RANGE
(AMPS)
0.5
2
0.5
1.5-12
0.5
1.5
second,
where
T
III
-
-
-
-
-
taps
16
12
the
ONE-SECOND
RATING
4
(AMPS)
70
260
4
140
260
4
125
260
T
of
rating
is
each
the
may
time
model
be
in
and
calculated
seconds
current
range
are
0.5
MODEL
IAC6OT
IAC8OT
IAC9OT
-
TAP
4.0
CONTINUOUS
AMP
RANGE
0.5
1.6
4.0
3.5
0.6
1.8
4.5
3.7
RATING
0.7
2.0
5.5
4.0
TABLE
OF
0.5
0.8
2.1
5.5
4.5
IV
1.0
2.3
6.0
5.0
-
4.0
AMP
TOC
UNITS
1.2
2.7
7.0
5.5
1.5
3.0
7.5
6.0
2.0
3.5
9.0
7.0
2.5
4.0
10.0
8.0
3.01
4.5
11.0
9.0
4.0
5.0
13.0
10.0
6
GEK—65573
1.5
-1?.O
MODEL
IACBOT
IAC9OT
2
-
MODEL
IAC60(AMps)
RATING
TAP
RATING
(AMPS)
16.0
AMP
TAP
CONTINUOUS
AMU
RANGE
1.5
10.0
9.5
CONTINUOUS
RANGE
2.0
8.0
2.0
11.5
10.5
2.5
9.0
RATING
2.5
13.0
11.5
RATING
3.0
10.0
TABLE
OF
3.0
14.5
12.5
TABLE
OF
4.0
12.0
1.5-
2
17.0
14.0
-
16.0
5.0
14.0
V
4.0
VI
12.0
AMP
5.0
19.0
15.5
AMP
6.0
15.0
TOC
TOC
UNITS
6.0
21.0
17.0
UNITS
7.0
16.0
7.0
23.0
18.0
8.0
17.5
8.0
23.5
19.0
10.0
20.0
10.0
27.5
20.0
12.0
20.0
12.0
30.5
20.0
16.0
20.O
INSTANTANEOUS
These
rated
instantaneous
Pickup
Amperes
(Calibration
for
coils
five
Marks)
OVERCURRENT
are
suitable
amperes
unit
LINK
continuous
has
a
range
POSITIONS
3.?
5
8
UNIT
for
of
dc
and
2
and
to
Topof
frequencies
have
50
amperes.
TABLE
Relay
2
one-second
a
VII
12.5
20
from
25
to
rating
Tap
settings
8
60
hertz.
of
are
12.5
260
made
The
amperes.
per
12.5
20
31.3
50
coils
Table
j__________________________
are
The
VII
7
GEK-65573
AUXILIARY
The
CONTACTS
The
carry
less.
breaker
30
The
auxiliary
amperes,
TIME
OVERCURRENT
Burdens
RANGE
UNIT
auxiliary
contacts
amperes
breaker
an
auxiliary
for
HZ
unit
of
dc
switch
UNIT
the
MIN.
TAP
“A”
both
the
momentarily
trip
coil
or
other
tripping
inverse
BURDENS
PICKUP
R
has
time
circuit
relay
time
AT
MIN.
a
dual
overcurrent
for
tripping
suitable
overcurrent
MIN.
TAP
Z
dc
should,
should
B
TABLE
voltaqe
duty
means.
be
(JR
DENS
VIII
3
TIMES
PICKUP
rating
and
instantaneous
at
however,
If
used.
unit
(IAC6OT)
BURDENS
OHMS
(7)
10
TIMES
PICKUP
of
control
always
the
IN
48/125
voltages
be
tripping
are
20
TIMES
PICKUP
volts.
units
opened
will
of
250
by
current
given
VA
in
AT
Table
5
CALCULATED
IMPEDANCE
MINIMUM
(127)
close
V
circuit
a
exceeds
VIII.
AMPS
FROM
AT
PICKUP
dc
and
or
30
0.5-
.O-16.O
NOTE:
RANGE
0.5-
1.5—12.0
4.0
The
impedance
(approximately)
with
ohms.
1.37
Burdens
4.0
60
60
for
HZ
60
60
0.5
2.0
impedance
for
0.5-4.0
The
ohms.
very
the
MIN.
TAP
0.5
1.40
1.5
0.23
5.60
21.0
0.37
values
other
as
range,
amp
impedance
inverse
BURDENS
PICKUP_MIN.
R
3.90
0.53
1.44
given
taps
the
square
of
time
AT
22.0
1.45
are
at
the
the
MIN.
TAP
7
4.15
0.58
10.80
0.65
those
pickup
of
the
impedance
2.0
amp
overcurrent
TABLE
IX
3
TIMES
PICKUP
4.20
0.58
5.00
0.32
for
the
current
tap
rating.
of
the
tap
at
unit
BURDENS
OHMS
(7)
10
TIMES
PICKUP
2.90
0.36
3.66
0.24
minimum
(tap
0.5
2.0
amperes
(IAC8OT)
IN
20
TIMES
PICKUP
2.20
O.?8
tap
rating)
For
ohm
of
each
varies
example,
tap
is
given
(0.5/2)2
is
given
are
VA
AT5AMPS
CALCULATED
IMPEDANCE
MINIMUM
550.0
36.3
relay.
for
in
(12Z)
104.0
14.5
inversely
a
as
x
Table
FROM
AT
PICKUP
The
relay
22.0
22
IX.
=
8
GEK—65573
NOTE:
Table
RANGE
0.5-
1.5-12.0
NOTE:
The
impedance
(approximately)
with
ohms.
0.26
Burdens
X.
4.0
The
impedance
(approximately)
with
ohms.
0.10
impedance
for
HZ
60
60
impedance
0.5-4.0
The
ohm.
the
M1N.
TAP
0.5
1.5
0.5-4.0
The
ohm.
values
for
other
amp
rnpedance
extremely
BURDENS
PICKUP
R
0.80
0.085
values
for
other
as
amp
impedance
as
ranqe,
1.38
0.147
range,
the
the
given
taps
of
inverse
AT
MIN.
given
taps
square
of
are
at
square
the
the
MIN.
TAP
Z
1.60
0.17
are
at
the
the
those
pickup
of
impedance
2.0
amp
time
TABLE
TIMES
PICKUP
1.60
0.17
those
pickup
of
the
impedance
2.0
amp
for
current
the
tap
tap
overcurrent
X
BURDENS
OHMS
3
for
current
tap
of
tap
the
rating.
of
the
at
10
TIMES
PICKUP
1.60
0.17
the
rating.
the
at
2.0
minimum
(tap
0.5
2.0
amperes
IN
(Z)
TIMES
PICKUP
minimum
(tap
0.5
amperes
unit
20
1.60
0.17
ohm
tap
rating)
For
example,
ohm
tap
is
(IAC9OT)
CALCULATED
tap
of
rating)
For
example,
tap
is
of
each
relay.
varies
is
given
(0.5/2)2
are
AT
VA
5
IMPEDANCE
MINIMUM
(12Z)
40
4.25
each
relay.
varies
for
is
given
(0.5/2)2
inversely
for
a
as
x
given
AMPS
FROM
AT
PICKUP
inversely
a
as
x
relay
4.15
relay
1.60
The
4.15
in
The
1.60
=
INSTANTANEOUS
Burdens
AUXILIARY
The
milliamperes
battery
a
for
UNIT
auxiliary
at
drain
OVERCURRENT
the
unit
VDC.
48
of
35.7
UNIT
instantaneous
coil
A
1000
milliamperes.
has
a
ohm
overcurrent
TABLE
resistance
series
XI
resistor
of
unit
2500
is
are
ohms
added
given
and
for
in
a
125
Table
battery
VDC
IX.
drain
operation
of
1.92
with
9
TIME
OVERCURRENT
GEK-65573
CHARACTERISTICS
UNIT
Pickup
the
contacts
of
tap
The
close
just
travel
its
closed
the
The
The
to
zero,
The
IAC8OT
and
INSTANTANEOUS
of
from
value.
setting
contacts
when
maximum
percentage
time
is
approximately:
time-current
IAC9OT,
to
OVERCURRENT
the
time
the
of
when
the
distance
of
reset
respectively.
overcurrent
time-dial
0.5
the
time
the
current
dial
is
to
the
minimum
to
the
characteristics
UNIT
dial
set
close
IAC6OT
IAC8OT
IAC9OT
Number
IAC6OT
IAC8OT
IAC9OT
unit
position.
determines
reaches
at
zero.
the
closing
10
time-dial
are
is
the
When
contacts;
value
-
percent
90
-
80
percent
-
85
percent
-
7
seconds
-
60
seconds
-
57
seconds
shown
defined
The
pickup
the
length
predetermined
the
this
of
current
position,
in
Fig.
as
dial
gives
the
value
of
is
that
when
6,
current
is
time
value.
set
the
the
the
7
and
required
within
the
unit
The
at
10,
maximum
unit
current
8
for
three
contacts
the
time
will
the
to
percent
requires
disk
setting.
reset
is
reduced
IAC6OT,
close
to
are
must
is:
Pickup
markings
energized
These
cartons
examine
rough
and
promptly
Reasonable
the
parts
If
original
Foreign
cover
The
instantaneous
is
on
designed
it
handling
the
cartons
matter
is
removed,
set
the
position
relays,
for
notify
are
injured
relays
by
adjusting
calibration
between
when
to
protect
any
damage
is
evident,
the
care
are
in
collected
and
overcurrent
not
nearest
should
or
the
not
place
a
on
cause
the
vertical
tube.
85
and
95
RECEIVING,
included
them
against
sustained
file
damage
a
General
be
exercised
adjustments
to
be
installed
that
the
outside
trouble
unit
is
The
percent
HANDLING
as
in
transit.
Electric
is
free
of
in
the
continuously
position
instantaneous
of
part
of
damage.
claim
in
at
unpacking
disturbed.
immediately,
from
the
operation
10
of
its
pickup
AND
STORAGE
a
control
Immediately
If
injury
once
Apparatus
moisture,
case
may
of
adjustable
the
unit
with
the
they
find
the
armature
setting.
panel
or
the
Sales
relay
should
dust
relay.
over
will
reset
will
upon
receipt
damage
transportation
Office.
in
order
be
and
its
way
a
relative
be
resulting
that
stored
metallic
inside
25:1
to
the
shipped
of
a
company
none
in
when
range.
to
relay,
from
their
chips.
the
de—
in
of
the
GEK—65573
Immediately
made
to
ensure
calibrations
readjustment
These
the
discretion
Since
installation
perlormed
VISUAL
on
INSPECTION
Check
relay
agree
Remove
molded
parts
MECHANICAL
Time
Overcurrent
upon
that
have
is
tests
most
not
necessary,
may
of
the
operating
tests,
these
the
with
the
or
relays.
nameplate
the
relay
other
INSPECTION
Unit
receipt
no
damage
been
be
performed
user.
the
following
stamping
requisition.
from
signs
of
disturbed.
refer
companies
its
case
of
physical
ACCEPTANCE
the
relay
has
been
If
to
the
section
as
part
of
use
section
to
ensure
and
check
damage,
TESTS
an
INSPECTION
sustained
the
on
the
different
includes
that
that
and
AND
in
shipment
examination
SERVICING.
installation
procedures
all
applicable
the
model
there
that
all
ACCEPTANCE
and
or
test
or
acceptance
for
tests
number
are
the
no
screws
and
broken
TEST
should
that
the
indicates
tests
acceptance
that
rating
or
are
tight.
relay
that
may
of
the
cracked
be
at
and
be
There
The
disk
Make
touching.
Instantaneous
The
the
movable
CAUTION:
EVERY
IMPORTANT
BRUSH
BRUSHES
DRAWOUT
BE
DO.
RELAY
Since
they
be
tested
effects
tested
makes
case.
of
without
connections
The
should
should
sure
Overcurrent
plunger
contact
CIRCUIT
ON
CURRENT
BENT
HIGH
THIS
TESTING
all
drawout
in
the
enclosure
removing
12XLA12A
be
return
the
assembly
arms
IN
ENOUGH
WILL
their
only
test
no
noticeable
by
itself
control
Unit
should
must
THE
DRAWOUT
CIRCUITS
TO
PREVENT
relays
cases
will
it
from
with
plug
spring
exhibit
be
securely
AND
OTHER
ENGAGE
THE
in
service
or
an
be
accurately
the
the
relay
may
also
friction
to
its
is
CASE
THE
CT
SECONDARY
equivalent
panel
and
be
when
rest
position.
not
deformed
no
tendency
fastened
HAS
AN
CIRCUITS
WITH
CONNECTING
CIRCUITS
operate
in
steel
duplicated
by
using
does
not
used.
Although
the
disk
is
nor
its
to
bind
to
the
AUXILIARY
SHORTING
PLUG
OR
FROM
their
cases,
case.
during
a
12XLA13A
disturb
this
rotated
convolutions
when
molded
BRUSH.
BARS
TEST
BEING
In
testing.
any
test
operated
contact
PLUG
it
this
test
shorting
slowly
IT
THAT
BEFORE
OPENED.
is
recommended
way,
A
plug.
plug
allows
clockwise.
tangled
by
hand
support.
IS
ESPECIALLY
THE
AUXILIARY
THE
any
magnetic
relay
This
bars
greater
may
in
or
and
MAIN
that
be
plug
the
11
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