GE Power Break II Quick Start Guide

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Power
Break
®
/
/
Circuit
Breaker
Accessories
Mechanical
interlock
for
Draw
-
Out
Breakers
,
2500
-
4000
A
Frames
Introduction
The
Mechanical
Interlock
accessory
,
catalog
number
SPDOWB
40
and
shown
in
Figure
1
,
can
be
installed
in
2500
-
4000
ampere
frame
Power
Break
®
II
draw
-
out
circuit
breakers
.
This
accessory
is
for
use
only
with
circuit
breakers
,
draw
-
out
substructures
,
and
shutters
with
a
manufacture
date
code
later
than
E
640
=
(
where
E
represents
the
plant
where
manufactured
,
6
is
the
year
,
40
is
the
week
of
that
year
,
and
=
is
the
decade
code
—
in
this
case
,
the
90
s
)
.
When
two
breakers
in
adjacent
compartments
are
connected
with
an
interlock
rod
,
as
shown
in
Figure
2
,
this
accessory
prevents
the
simultaneous
closing
of
both
breakers
.
When
either
breaker
is
ON
,
the
other
-
will
immediately
trip
if
an
attempt
is
made
to
turn
it
ON
also
.
When
both
breakers
are
OFF
,
either
breaker
may
be
turned
ON
.
However
,
when
one
breaker
is
ON
,
an
attempt
to
close
the
second
breaker
causes
its
closing
springs
to
discharge
without
moving
the
contact
arms
.
An
override
feature
is
provided
in
case
of
a
race
condi
-
tion
(
both
breakers
turned
ON
simultaneously
)
,
so
that
the
breaker
designated
as
primary
turns
ON
and
the
secondary
breaker
trips
.
Either
or
both
circuit
breakers
may
be
CHARGED
at
any
time
,
but
the
interlock
operation
activates
only
when
one
of
the
breakers
is
ON
.
&
Figure
2
.
Mechanical
Interlock
attached
to
Power
Break
II
draw
-
out
circuit
breakers
.
Horizontal
or
Vertical
Connection
The
interlocked
breakers
can
be
mounted
and
con
-
nected
either
vertically
(
one
breaker
above
the
other
)
or
horizontally
(
breakers
mounted
side
by
side
)
.
The
connecting
rod
can
be
installed
in
either
of
two
posi
-
tions
for
the
desired
action
.
All
end
connectors
are
provided
,
so
the
customer
need
only
supply
a
14
-
20
threaded
rod
of
the
appropriate
length
.
Installation
WARNING
:
Before
installing
any
accessories
,
turn
the
breaker
off
,
disconnect
it
from
all
voltage
sources
,
and
discharge
the
charging
springs
.
AVERTISSEMENT
:
Avant
d
’
installer
tout
accessoire
,
mettre
le
disjoncteur
en
position
OFF
,
le
deconnecter
de
toute
tension
d
’
alimentation
,
et
decharger
les
ressorts
d
’
armement
.
EPW
r
/
r
*
o
,
O
'
If
shutters
have
been
installed
in
the
draw
-
out
substruc
-
ture
,
they
must
be
removed
before
the
mechanical
interlock
can
be
installed
.
Reinstall
the
shutters
after
completing
installation
of
the
interlock
.
Figure
1
.
Mechanical
Interlock
accessory
components
.
Courtesy of NationalSwitchgear.com

GE Power Break II Specifications

General

Brand	GE
Model	Power Break II
Category	Circuit breakers
Language	English