Siemens GM-SG - Page 37

Instrument
Transformers
•
To
Connect CPT
Rollout
or
CPT
Fuses
-
Connecting
(
inserting
)
the
control
power
transformer
rollout
tray
or
CPT
fuse
tray
is
the
reverse
of
the
disconnecting
operation
.
The
secondary
molded
case
circuit breaker
must
be
in
the
open
position
,
and
if
a
key
interlock is
involved
,
the
key
must
be
inserted
in
the interlock
cylinder
on
the rollout
tray
.
The handle
/
interlock
bar
must
be
in
the
"
notched
"
area
in
the
mounting
bracket
,
with
the interlock bar withdrawn
on
the side
of
the
rollout
.
Push
the
rollout
tray
in
firmly
to
the
fully
connected
position
.
When
this
is done
,
a
hole
in
the
extension rail should
align
with
the
handle
/
interlock
bar
,
which
will
allow the handle
/
interlock
bar
to
be released
,
locking
the rollout
tray
into the
connected
position
in
the unit
.
Once
the rollout
tray
is
fully
inserted and the handle
/
interlock
bar
fully
extended
,
molded
case
circuit
breaker
may
be closed
,
either
directly
if
mounted
on
the
rollout
tray
,
or
indirectly
if
a
key
interlock is involved
.
Figure
32
.
VT
Fuse
Rollout
Tray
Operating
Sequence
35
Courtesy of NationalSwitchgear.com