GE Power Break II User manual

GEH
-
6276
A
Power
Break
®
II
Circuit
Breaker
Accessories
Door
Interlock
Introduction
The
Door
Interlock
,
shown
in
Figure
1
,
can
be
installed
on
800
-
4000
ampere
frame
Power
Break
®
II
circuit
breakers
.
Its
function
is
to
prevent
the
casual
opening
of
the
enclosure
door
,
particularly
while
the
breaker
is
ON
.
The
catalog
number
of
the
Door
Interlock
is
SPDIL
.
Figure
2
.
Door
Interlock
in
place
to
prevent
opening
the
enclosure
door
.
Figure
1
.
Door
Interlock
accessory
.
Operation
The
Door
Interlock
prevents
the
opening
of
the
enclosure
door
unless
the
locking
lever
is
disengaged
.
(
See
Figure
2
.
)
The
lever
can
be
disengaged
easily
with
the
breaker
OFF
or
with
somewhat
greater
difficulty
with
the
breaker
ON
,
as
described
below
.
Opening
Door
with
Breaker
Off
To
open
the
enclosure
door
when
the
breaker
is
OFF
,
pull
up
on
the
padlock
tab
and
slide
the
Door
Interlock
lever
counter
-
clockwise
undl
it
no
longer
obstructs
the
door
,
as
illustrated
in
Figure
3
.
When
the
door
is
reclosed
,
simply
slide
the
lever
back
into
the
locking
position
.
Figure
3
.
Sliding
the
locking
lever
out
of
the
way
with
the
breaker
off
.
Opening
Door
with
Breaker
On
The
Door
Interlock
can
be
defeated
,
to
allow
opening
the
enclosure
door
with
the
breaker
ON
,
even
though
the
padlock
tab
cannot
be
lifted
.
Depress
the
interlock
spring
with
a
screwdriver
in
the
slot
on
the
top
of
the
locking
lever
and
push
the
lever
counter
-
clockwise
to
disengage
it
from
the
spring
,
as
shown
in
Figure
4
.
Remove
the
screwdriver
,
then
continue
rotating
the
locking
lever
until
it
clears
the
door
.
Courtesy of NationalSwitchgear.com

If
the
breaker is
mounted
protruding
from
the
enclosure
,
rather
than
flush
,
an
additional
spacer
should
be attached
to
the
enclosure
door
*
to
prevent
partial
opening
of
the door
.
As
illustrated
in
Figure
6
,
the
spacer
is attached
to
the door
direcdy
underneath
the
Door
Interlock
lever
.
Drill
two
0.203
(
1
%
4
)
-
inch
holes
in
the enclosure door
,
as
illustrated
in
Figure
7
,
to
match
the
stud locations
in
the
spacer
.
Attach the
spacer
with the
provided
hardware
.
3.31
ref
-
Breaker
Spacer
>
Door
Interlock
Lever
Trim
Plate
Figure
4
.
Releasing
the
locking
lever
from
the
interlock
spring
with
the breaker
on
.
Stud
Enclosure
Door
Installation
Figure
6
.
Right
-
side
view
of
breaker
and enclosure
door
,
showing
location
of
spacer
.
The
Door
Interlock
installs
in
the
cavity
on
the
front
of
the
breaker
directly
below the
PUSH
ON
and
PUSH
OFF
buttons
.
Attach the
Door
Interlock
to
the
padlock
tab
with the
two
screws
and lock washers
provided
,
as
shown
in
Figure
5
.
G
'
(
HP
'
CiE
CM
*
Bleat
Ditunbutmti
*
Conuol
t
4
S
r
I
«
606
?
M
.
«
*
e
m
'
>
'
>
*
IMF
RATING
(
431
-
SEC
G
10
’
ref
.
6.62
Door
Cutout
.
25
.
203
dia
.
Figure
7
.
Spacer
mounting
holes
on
enclosure door under
cutout
for
breaker
.
Figure
5
.
Installing
the
Door
Interlock
on
the
padlock
tab
.
These
instructions do
not
cover
all
details
or
variations
in
equipment
nor
do
they
provide
for
every
possible
contingency
that
may
be
met
in
connection with
installation
,
operation
,
or
maintenance
.
Should
further
information be desired
or
should
particular problems
arise
that
are
not
covered
sufficiently
for
the
purchaser
’
s
purposes
,
the
matter
should be referred
to
the
GE
Company
.
GE
Electrical Distribution
&
Control
General
Electric
Company
41
Woodford
Ave
.
,
Plainville
.
CT
06062
©
1996
General
Electric
Company
GEH
-
6276
A
0296
Courtesy of NationalSwitchgear.com