GE MicroVersaTrip Plus - Page 9

Micro
Versa
Trip
®
Plus
and
MicroVersaTrip
®
PM
Trip
Units
Chapter
1
.
Introduction
1
-
1
Read
This
First
The
MicroVersaTrip
®
Plus
and
MicroVersaTrip
®
PM
trip
units
described
in
this
publication
are
used
on
both
Power
Break
®
insulated
-
case
and
Type
AKR
low
-
voltage
power
circuit
breakers
.
Spectra
/
IMS
molded
-
case
circuit
breakers
use
different
versions
of
MicroVersaTrip
Plus
and
MicroVersaTrip
PM
trip
units
that
are
not
interchangeable
with
the
units
described
here
.
Refer
to
GEH
-
5934
for
information
on
these
trip
units
.
Testing
of
MicroVersaTrip
Plus
and
MicroVersaTrip
PM
trip
units
may
be
performed
with
the
trip
unit
installed
in
the
circuit
breaker
,
the
rating
plug
installed
in
the
trip
unit
,
and
the
breaker
carrying
current
.
The
test
set
catalog
number
is
TVRMS
.
The
test
set
plugs
into
the
test
socket
of
the
rating
plug
.
Test
set
TVRMS
may
also
be
used
for
MicroVersaTrip
RMS
-
9
and
Epic
MicroVersaTrip
trip
units
.
Refer
to
the
Maintenance
and
Troubleshooting
section
for
additional
details
.
1
'
•
4
Figure
1
.
Front
view
of
MicroVersaTrip
PM
trip
unit
.
1
-
2
Product
Structure
MicroVersaTrip
Plus
and
MicroVersaTrip
PM
trip
units
are
removable
.
Figures
1
and
2
contain
front
and
rear
views
of
a
MicroVersaTrip
PM
trip
unit
.
CAUTION
:
Removal
of
the
rating
plug
while
the
breaker
is
carrying
current
reduces
the
breaker
’
s
current
-
carrying
capacity
to
approximately
25
%
of
Figure
2
shows
the
36
-
pin
plug
that
connects
either
the
current
sensor
rating
.
This
may
result
in
unde
-
trip
unit
to
the
circuit
breaker
and
equipment
cir
-
sired
tripping
.
cuitry
.
This
plug
is
called
the
trip
unit
disconnect
.
CAUTION
•
Removal
of
a
trio
unit
from
its
breaker
N
0
TE
*
TriP
UnitS
aS
received
may
have
settings
that
SSwxth
^
hTbrXr
inTe
OPFN
or
are
undesirable
for
the
-
Pedfic
aPPdcation
.
Ensure
TRIPPED
position
.
Draw
-
out
breakers
should
be
*
at
setun
85
arc
Rusted
before
ener
-
racked
out
first
.
Sizing
.
CAUTION
:
Do
not
attempt
to
operate
the
breaker
without
its
assigned
trip
unit
.
Installation
of
an
incorrect
trip
unit
may
result
in
unsafe
operation
of
the
breaker
.
•
•
,
V
1
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