GE MicroVersaTrip Plus - Page 25

Micro
Versa
Trip
®
Plus
and
MicroVersaTrip
®
PM
Trip
Units
Chapter
2
.
Setup
Mode
m
SETUP
90
%
of
the
nominal
voltage
,
with
an
increment
of
1
%
.
The
trip
unit
display
is
shown
in
Figure
27
.
.
•
-
v
S
SETUP
5
n
vu
Figure
24
.
Trip
unit
display
for
voltage
-
unbalance
relay
delay
.
UV
PICKUP
CiUTent
-
Unbalance
Relay
Pickup
This
function
compares
the
true
RMS
current
in
the
highest
or
lowest
phase
with
the
other
two
phases
and
initiates
a
trip
if
the
difference
exceeds
the
set
Undervoltage
Relay
Delay
point
.
The
range
of
set
points
is
10
to
50
%
,
with
an
This
function
sets
the
delay
time
before
an
under
-
increment
of
1
%
.
The
trip
unit
display
is
shown
in
voltage
trip
occurs
.
The
range
of
delays
is
1
to
15
Figure
25
.
seconds
,
in
steps
of
1
second
.
Choosing
OFF
disables
undervoltage
protection
.
The
trip
unit
display
is
shown
in
Figure
28
.
Figure
27
.
Trip
unit
display
for
undervoltage
relay
pickup
.
SETUP
SETUP
S
cu
PICKUP
Figure
25
.
Trip
unit
display
for
current
-
unbalance
relay
pickup
.
UV
DELAY
Figure
28
.
Trip
unit
display
for
undervoltage
relay
delay
.
Current
-
Unbalance
Relay
Delay
This
function
sets
the
delay
time
before
a
current
-
unbalance
trip
occurs
.
The
range
of
delays
is
1
to
15
Overvoltage
Relay
Pickup
seconds
,
in
steps
of
1
second
.
Choosing
OFF
disables
This
function
measures
the
true
rms
voltage
in
all
current
-
unbalance
protection
.
The
trip
unit
display
is
phases
and
initiates
a
trip
if
any
phase
voltage
shown
in
Figure
26
.
exceeds
the
set
point
.
The
range
of
set
points
is
110
to
150
%
of
the
nominal
voltage
,
with
an
increment
of
1
%
.
The
trip
unit
display
is
shown
in
Figure
29
.
SETUP
S
SETUP
CU
DELAY
Figure
26
.
Trip
unit
display
for
current
-
unbalance
relay
delay
.
0
V
PICKUP
Figure
29
.
Trip
unit
display
for
overvoltage
relay
pickup
.
Undervoltage
Relay
Pickup
This
function
measures
the
true
rms
voltage
in
all
phases
and
initiates
a
trip
if
any
phase
voltage
drops
below
the
set
point
.
The
range
of
set
points
is
50
to
V
;
17
Courtesy of NationalSwitchgear.com