ABB CIRCUIT SHIELD 437W Series User Manual

Reverse
Power
Relay
IB
7.8
.
1.7
-
1
Page
13
3
.
BUILT
-
IN
TEST
FEATURE
Tests
should
be
made
on
a
de
-
energized
main
circuit
,
energized
circuit
,
be
sure
to
take
all
necessary
precautions
,
available
to
make
this
test
.
If
tests
must
be
made
on
an
Control
power
must
be
The
built
-
in
test
is
provided
as
a
convenient
functional
test
of
the
relay
and
assoc
-
iated
trip
circuit
.
The
test
function
works
as
follows
:
when
you
depress
the
button
labelled
TRIP
,
the
pickup
circuit
of
the
relay
is
actuated
.
The
relay
then
times
out
and
the
output
contacts
transfer
to
trip
the
associated
breaker
or
auxiliary
relay
,
The
test
button
must
be
held
down
continuously
for
the
time
set
on
the
relay
in
order
to
obtain
an
operation
.
The
pickup
led
and
the
target
is
displayed
,
operating
should
light
during
this
period
,
indicating
timing
is
underway
.
Catalog
Series
237
P
/
237
F
/
437
P
/
437
F
4
.
ACCEPTANCE
TESTS
Without
Phase
-
Shifting
Source
:
A
typical
acceptance
test
circuit
is
given
in
Figure
8
.
The
control
voltage
source
should
match
the
relay
’
s
front
panel
rating
.
On
dual
-
rated
units
be
sure
the
internal
selector
link
has
been
positioned
properly
.
The
ac
source
should
be
60
Hz
.
or
50
Hz
.
to
match
relay
’
s
rating
,
and
the
voltage
and
current
outputs
must
be
essentially
in
phase
.
a
.
Set
the
PICKUP
dial
to
0.1
ampere
and
the
TIME
dial
to
1
second
.
b
.
Apply
control
voltage
.
Depress
the
TARGET
RESET
button
.
The
target
should
reset
to
black
.
Apply
approximately
120
vac
to
the
voltage
input
.
c
.
Apply
the
current
signal
and
increase
until
the
pickup
light
comes
on
solidly
and
the
contacts
transfer
.
(
The
pickup
light
may
blink
near
pickup
.
)
target
should
set
to
orange
when
the
output
contacts
transfer
,
the
operating
point
should
be
between
0.07
and
0.13
amperes
.
The
Current
at
d
.
Increase
the
input
current
to
0.5
ampere
.
Start
the
test
set
.
between
0.9
and
1.1
seconds
.
Turn
off
the
test
source
and
reset
The
relay
should
operate
to
stop
the
timer
the
timer
.
e
.
Reverse
the
current
leads
at
terminals
1
and
2
of
the
relay
,
target
.
The
relay
should
not
pick
up
.
Reset
the
Apply
voltage
and
current
and
increase
the
current
signal
to
1
amp
.
If
the
actual
settings
to
be
used
in
the
application
are
known
,
the
relay
should
be
calibrated
by
repeating
steps
(
c
)
and
(
d
)
,
except
adjusting
the
relay
dials
until
the
desired
pickup
current
and
time
delay
are
obtained
.
Timing
tests
should
be
run
with
the
current
set
at
150
%
of
pickup
or
higher
.
f
.
With
Phase
-
Shifting
Source
:
If
a
test
set
with
the
ability
to
shift
the
phase
of
the
ac
input
current
and
voltage
is
being
used
,
a
check
of
the
operating
characteristic
can
be
made
in
place
of
test
(
e
)
above
.
A
typical
test
circuit
is
shown
in
Fig
.
9
.
First
perform
the
tests
(
b
)
,
(
c
)
,
and
(
d
)
given
above
,
current
source
also
at
0
deg
)
.
(
Set
test
set
voltage
source
for
120
vac
at
0
degrees
,
Then
determine
the
operating
characteristic
:
a
.
Set
the
relay
’
s
pickup
at
0.1
ampere
and
the
time
delay
at
1
second
.
relay
is
equipped
with
a
maximum
torque
angle
selector
plug
(
see
Figure
7
)
place
the
plug
in
the
30
°
position
for
this
test
.
If
the
b
.
For
the
standard
Type
32
R
(
catalog
237
xxxx
1
or
437
xxxx
1
)
,
set
the
phase
angle
of
the
voltage
source
on
the
test
set
to
120
v
at
30
°
lead
.
Set
the
current
source
on
the
test
set
to
1
ampere
.
Vary
the
phase
of
the
current
signal
.
The
relay
should
pick
up
and
trip
for
phase
angles
from
90
°
lead
through
0
°
to
90
°
lag
.
The
relay
should
not
operate
for
phase
angles
from
90
°
lag
through
180
°
to
90
°
lead
.
The
tolerance
on
the
operating
characteristic
is
+
/
-
6
degrees
.
for
relays
without
the
30
°
internal
shift
(
catalog
237
xxxx
2
or
437
xxxx
2
)
,
or
for
the
0
°
position
of
the
maximum
torque
angle
selector
plug
(
see
Fig
5
)
set
the
voltage
source
at
120
v
,
0
°
.
Note
:
Courtesy of NationalSwitchgear.com

ABB CIRCUIT SHIELD 437W Series Specifications

General

Brand	ABB
Model	CIRCUIT SHIELD 437W Series
Category	Relays
Language	English