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Fig. l0
Interference
Interlock
PADLOCKS
'ws p*,-itions
for
a possible
3
padlocirs
each are
provided
'Jn
ti"le
rrr..i;ing mechanism.
See
Fig. 8. Ttrt'
fronl
position
keeps
the breaker
from
closing
in
the
"Test"
r:,n.J
"Connect"
positio;r,
i'*
obtain
this position
push
sllde
{l)
Fie.
8
to
the
rear and insert
the
padlock
in tire
slotted
opening
just
forward
of the keyloek (3).This
gives
the
same
interlocking function
as
the keylock and
does
not block the motion of the
racking
mechanisra.
The
second
position
for
padlocks
(5) is behind the
key
lock.
A
padlock
in
this
slot
will
prevent any
motion of
the
racking
mechanism
by
keeping
the
hexagon
turning
shaft
covered.
STATIONARY AUXILIAR.Y
SIVITCF{
An auxiliary
switch can
be
provided at
the
bottorn
of
the
breaker compaftment so
that additional
contacts can
be
actuated
by the operation of the
breaker. The breaker
will
operate
this switch when
it
is
in
the "Test"
or
"Connect"
position.
See
Fig.
ll.
BREAKER POSITION SWITCH
A
position switch can be provided at the bottom of
a
rker compartment
so
that
it
will
be operated
by
the rear
.aker
frame
when the breaker
is
in
the
"Connect" position.
When
the
breaker
is
withdrawn,
a
spring
will
return
the
switch
to its normal position.
See
Fig.
ll.
i
-
Secandary
Coupler
,l
-
Pcsition Switch Actuator
;1
--
Fositicn
Switch
4
-
GrouarrJ Shoe
5
--
Stationary
$uxiliary
Switch
Connect
Pcsiticn
Actuator
6-
Stationary
Auxiliary
Switch
7
-
Stationary
Auxiliary
Switch
Test
Position Actuator
Fig.
I
I
Stationary
Auxiliary
Switch and
Breaker
position
Switch
INTERFERENCE INTERLOCK
The
function of
the mechanical interference
interlock
is
to
permit only
breakers
with
the
same
ratings
to
be
inserted
in
any
specific
compartment.
This
interlock
consists
of two
mated
comb-like
plates,
one
on the
equipment
and
one
on
the breaker. The equipment
interference
plate is
permanently fastened
to a
steel angle
located
just
below the breaker mechanism
frame.
See
Fig,
10.
TO
PREVENT
DAMAGE DO NOT REMOVE
RE-
PLACE
OR READJUST
THE RATING INTERFERENCE
PLATES ON EITHER
THE
BREAKER CUBICLE
OR
THE POWER VAC* CIRCUIT BREAKER. IN
CASE OF
A
PROBLEM CONSULT YOUR NEAREST GENERAL
ELECTRIC
COMPANY APPARATUS AND
SERV-
ICE ENGINEERING
OFFICE.
ll
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