ITE K-3000 - Page 5

IB
-
9.1
.
7
-
4
LOW
-
VOLTAGE
POWER
CIRCUIT
BREAKERS
PAGE
5
ESCUTCHEON
OPERATING
FEATURES
This
device
is
on
indicator
only
and
does
not
prevent
the
circuit
breaker
reclosmg
.
Upon
an
overcurrent
trip
operation
,
the
indicator
protrudes
from
the
front
plate
approximately
t
/
j
inch
.
The
automatic
trip
indicator
should
be
reset
after
each
trip
indication
by
pushing
back
into
its
normal
latch
position
.
The
operator
should
investigate
the
cause
of
tripping
before
resetting
the
automatic
trip
indicator
and
subsequent
reclosing
the
circuit
breaker
after
an
outage
which
results
in
an
operation
of
the
indicator
Automatic
Irip
Alarm
Contacts
I
Hand
Reset
I
f
AAanually
and
electrically
operated
circuit
breakers
are
provided
with
an
extendible
escutcheon
face
plate
.
This
escutcheon
provides
a
central
area
for
the
controls
which
are
mounted
directly
on
the
circuit
breaker
.
The
controls
for
manually
operated
circuit
breakers
.
Figure
1
,
included
in
the
escutcheon
face
plate
are
:
(
2 5
)
a
nameplate
giving
the
various
ratings
assigned
to
the
particular
type
of
circuit
breaker
,
(
1 2
)
the
manual
charging
handle
,
(
8
)
the
manual
trip
button
,
15
)
the
‘
OPEN
"
and
“
CLOSED
”
position
indicator
,
(
9
)
In
*
nutomritir
trip
indicator
with
optional
facilities
lor
f
,
,
jio
-
M
-
xkimj
Hit
?
f
in
oil
blanker
m
1
L
5
(
or
DISCONNECTED
positions
,
and
[
Ml
inn
spring
rlmrgtfig
indbolui
The
controls
for
the
electrically
operated
c
in
uit
breakers
,
Figure
1
,
are
the
same
as
the
manually
oper
ated
circuit
breakers
except
the
charging
handle
(
1 2
)
is
removed
and
stored
for
maintenance
use
,
and
the
presence
of
(
1 0
)
motor
disconnect
switch
for
the
motor
electrical
circuit
and
1 2 2
)
electrical
close
push
button
switch
.
r
?
-
»
i
•
,
1
;
•
n
-
-
1
*
il
i
|
|
>
!
l
Hi
r
i
(
OMNI
4
HD
(
t
If
M
*
f
)
U
>
f
»
-
"
l
*
-
i
11 1
«
O
I
wtm
h
is
optional
shows
when
automatir
tupping
has
occurred
.
Hus
is
accomplished
l
)
/
adding
a
pic
hior
snap
switch
to
the
automatic
trip
indicator
assembly
The
automatic
trip
indicator
actuates
the
lullei
on
the
alarm
switch
which
in
turn
causes
a
noimall
^
open
contact
to
close
and
a
normally
closed
contact
to
open
on
overcurrent
trip
.
The
alarm
contact
is
manuull
/
reset
by
pushing
the
trip
indicator
(
9
)
back
into
its
normal
position
.
.
a
.
1
l
<
n
<
las
The
manually
and
ele
^
tncnll
/
operated
drnwout
nr
cuil
bleaker
escutcheon
also
contains
the
rucking
crank
opening
(
1 7
)
and
interlocking
diawout
lever
(
1 5
)
.
Automatic
Trip
Lockout
(
Hand
Reset
)
(
figure
|
(
|
p
-
m
9
)
An
additional
device
(
which
is
also
optional
)
may
be
added
to
the
automatic
trip
indicator
assembly
de
-
vice
which
serves
to
mechanically
prevent
reclosiug
the
circuit
breaker
after
an
automatic
trip
operation
When
the
trip
indicator
is
pushed
in
the
circuit
breaker
mechanism
can
then
be
operated
to
close
the
circuit
breaker
contacts
.
Padlocking
Device
(
Figure
I
It
All
K
line
firci
.
it
breakers
fire
equipped
with
c
—
mi
-
of
p
‘
H
.
lio
<
-
.
k
I
fig
th
'
•
H
'
.
Ult
free
position
.
This
is
accomplished
by
the
use
<
if
n
locking
plate
to
maintain
the
manual
tiip
button
m
n
tripping
direction
when
the
locking
plate
is
field
f o r
-
ward
by
one
or
more
padlocks
.
To
obtain
the
condi
-
tion
for
padlocking
the
circuit
breaker
in
the
open
position
,
the
manual
trip
button
is
pushed
inward
.
Then
the
padlock
plate
is
pulled
out
and
the
padlock
in
-
serted
into
the
veitical
slot
.
In
this
position
,
the
mechan
-
ism
is
maintained
trip
free
and
the
contact
arm
canno
*
be
moved
to
the
closed
position
.
On
circuit
breakers
equipped
with
drawoul
mechanism
the
padlocking
device
is
associated
with
the
drawou
*
interlocking
mechanism
so
that
the
circuit
breaker
can
-
not
be
moved
from
any
of
its
three
basic
drawout
posi
-
tions
of
“
CONNECTED
,
”
“
TEST
”
or
“
DISCONNECTED
‘
with
the
padlocking
in
effect
.
Closing
Spring
Charge
Indicator
(
Figure
I
,
Item
14
)
Under
normal
operating
conditions
,
Ihe
closing
springs
are
automatically
charged
after
each
tripping
operation
.
However
,
there
are
occasions
when
the
springs
will
be
in
a
discharged
state
.
Therefore
,
it
is
desirable
that
means
be
available
to
indicate
the
charged
or
uncharged
condition
of
the
closing
springs
.
This
is
accomplished
by
a
visual
indicator
seen
through
an
aperture
in
the
escutcheon
plate
.
The
indicator
is
marked
“
CHARGED
”
and
“
UNCHARGED
.
”
A
self
-
aligning
plate
,
immediately
behind
the
es
-
cutcheon
face
plate
,
is
used
to
exclude
dust
from
the
circuit
breaker
compartment
.
On
drawout
type
circuit
breakers
,
the
escutcheon
foce
wiil
protrude
through
Ihe
front
door
of
Ihe
compartment
when
the
circuit
breaker
is
in
the
“
TEST
”
and
“
DISCONNECTED
(
i
•
post
-
lions
.
In
these
positions
,
the
dustplate
still
functions
to
211
"
itr
•
•
l u i l e
dust
•
h
*
I
‘
.
1
1
H
|
)
1
t
-
:
1
•
Ur
cult
Breaker
Nameplate
(
Figure
I
,
Item
25
)
The
circuit
breaker
nameplate
contains
information
regarding
(
I
)
the
manufacturer
’
s
name
and
address
,
(
2
)
type
of
circuit
breaker
design
,
(
3
)
serial
number
of
circuit
breaker
,
(
4
)
continuous
current
rating
of
frame
size
,
(
5
)
short
circuit
current
rating
at
rated
voltoges
,
(
6
)
frequency
,
(
7
)
short
time
current
.
Manual
Charging
Handle
(
Figure
1
,
Item
12
)
The
manual
charging
handle
is
a
T
-
shaped
lever
used
to
charge
the
closing
springs
by
pumping
approxi
-
mately
ten
times
.
Manual
Trip
Button
(
Figure
1
,
Item
8
)
The
manual
trip
button
,
when
pushed
,
trips
the
cir
-
cuit
breaker
to
“
OPEN
.
”
Circuit
Breaker
“
OPEN
"
or
“
CLOSED
"
Indicator
(
Figure
1
,
Item
5
}
This
indicator
shows
the
physical
position
of
the
circuit
breaker
contacts
.
Automatic
Trip
Indicator
(
Figure
!
,
Item
9
)
(
Not
including
undervoltage
,
alarm
switch
or
lockout
)
The
automatic
trip
indicator
is
provided
as
standard
equipment
on
the
K
-
line
*
circuit
breakers
and
is
used
to
indicate
the
operation
of
the
overcurrent
trip
device
.
Courtesy of NationalSwitchgear.com