Siemens GM-SG

Accessories
Split
Plug
Jumper
Test
Device
When
specified
,
a
split
plug
jumper
test
device
is
supplied
.
This device allows
a
circuit breaker
to
be
operated
from
the control switch
on
the instrument
panel
while the circuit breaker is outside
of
and
adjacent
to
its cell
.
Electric
Racking
Accessory
An
optional
electric
racking
accessory
is available
.
The
accessory
consists
of
a
motor
drive enclosure which
installs
on
mounting
brackets
on
the
switchgear
front
panel
of
a
circuit
breaker
compartment
.
The
unit
includes
a
power
cord
,
which
can
be connected
to
a
convenient
power
source
in
the
vicinity
of
the
switchgear
.
Instructions
for
mounting
the
racking
accessory
and
for
racking
of
circuit breakers
are
provided
on a
label
on
the
racking
accessory
.
Figure
49
.
Split
Plug
Jumper
The
split
plug jumper
consists
of
a
length
of flexible
cable
with
terminal
plugs
on
each end
.
These
terminals
can
be connected
to
the
secondary
disconnects
on
the
circuit breaker and
in
the cell
.
When connected the
circuit breaker
can
be
opened
or
closed
electrically
from
the
instrument
panel
control switch
.
Figure
50
A
.
Lift
Sling
in
Use
to
Handle
Circuit
Breaker
Test
Cabinet
When
specified
,
a
test
cabinet is
supplied
.
This device
allows
a
circuit
breaker
to
be
operated
from
a
control
switch
in
a
cabinet
,
which is wall
mounted
by
the
purchaser
.
A
length
of flexible
cable is connected
to
the cabinet and has
a
terminal
plug
on
the other end
which
may
be connected
to
the
secondary
disconnects
on
the circuit breaker
.
When connected
,
the circuit
breaker
can
be
opened
or
closed
electrically
from
the
control switch
on
the
test
cabinet
,
which is
connected
to
a
suitable
power
supply by
purchaser
.
Lift
Truck
When
specified
,
a
lift
truck is
supplied
(
see
Figures
43
A
and
43
B
)
for
handling
circuit breakers
or
rollout
auxiliary
trays
.
The
lift
truck is
useful
whenever
circuit
breakers
are
installed
above
floor
level
.
For
Shelter
-
Clad
installations
,
the
lift
truck
is
normally
stored
in
the aisle
area
,
as
it
does
not
conveniently
pass
through
the aisle
doorway
.
Figure
50
B
.
Lift
Sling
in
Use
to
Handle Rollout
Tray
Lift
Sling
If
a
lift
truck is
not
provided
,
a
lift
sling
is
supplied
as
standard when circuit breakers
are
installed above
floor
level
.
The
lift
sling
is suitable
for
use
with
any
crane
which
has
an
adequate
capacity
(
750
lbs
.
or
340
kg
minimum
)
.
Figure
50
A
shows
a
lift
sling being
used
to
lift
a
circuit breaker
.
Figure
50
B
shows
a
lift
sling being
used
to
lift
a
rollout
auxiliary
tray
.
50
Courtesy of NationalSwitchgear.com