GE MicroVersaTrip Plus - Page 21

Micro
Versa
Trip
®
Pius
and
Micro
Versa
Trip
®
PM
Trip
Units
Chapter
2
.
Setup
Mode
choices
of
time
-
delay
bands
.
Press
ENTER
to
store
the
desired
value
.
Long
-
Time
Pickup
The
first
setup
-
mode
display
is
always
the
long
-
time
pickup
set
point
,
as
illustrated
in
Figure
7
.
This
set
point
establishes
the
breaker
’
s
nominal
ampere
rat
-
ing
,
C
,
as
a
fraction
of
X
,
the
rating
plug
value
.
Press
the
VALUE
key
to
scroll
through
the
available
choices
.
Press
ENTER
to
store
the
desired
set
point
.
SETUP
LTIME
DELAY
SETUP
X
Figure
9
.
Trip
unit
display
for
long
-
time
delay
.
LTIME
Delay
,
sec
Band
PICKUP
1
3
Figure
7
.
Trip
unit
display
for
long
-
time
pickup
.
2
6
3
12
The
choices
for
Power
Break
circuit
breakers
are
0.50
to
1.00
times
X
,
in
steps
of
0.05
.
The
pickup
value
is
defined
for
-
0
%
to
+
20
%
of
the
set
point
.
The
choices
for
Type
AKR
circuit
breakers
are
0.50
to
1.10
times
X
,
in
steps
of
0.05
,
The
pickup
value
is
defined
for
-
10
%
to
+
10
%
of
the
set
point
.
Figure
8
illustrates
the
long
-
time
pickup
settings
.
4
16
Table
8
.
Nominal
delays
for
long
-
time
delay
bands
.
v
•
Time
-
Delay
Bands
0
)
E
Pickup
Settings
(
D
£
Current
Figure
10
.
Time
-
current
curve
illustrating
long
-
time
delay
.
Short
-
Time
Pickup
The
short
-
time
pickup
display
is
shown
in
Figure
11
.
This
function
,
illustrated
in
Figure
12
,
establishes
the
current
at
which
short
-
time
trip
is
activated
.
There
are
16
choices
of
pickup
settings
,
from
1.5
to
9.0
times
C
,
in
steps
of
0.5
C
.
Current
Figure
8
.
Time
-
current
curve
illustrating
long
-
time
pickup
.
Long
-
Time
Delay
The
trip
unit
display
for
long
-
time
delay
is
illustrated
in
Figure
9
.
This
function
allows
normal
momentary
overloads
without
nuisance
tripping
.
The
nominal
time
delays
at
600
%
of
C
are
listed
in
Table
8
.
Figure
10
illustrates
the
effect
of
this
delay
on
trip
time
.
Press
the
VALU E
key
to
cycle
through
the
four
;
;
’
.
i
A
-
A
'
13
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