ABB CIRCUIT SHIELD 437W Series User Manual

Reverse
Power
Relay
IB
7.8
.
1.7
-
1
Page
12
TESTING
1
.
MAINTENANCE
AND
RENEWAL
PARTS
No
routine
maintenance
is
required
on
the
Type
32
R
relay
.
Follow
test
instructions
to
We
recommend
that
an
inoperative
however
,
a
schematic
diagram
will
be
Renewal
parts
will
be
quoted
by
the
factory
on
request
.
verify
relay
be
returned
to
the
factory
for
repair
;
provided
on
request
.
that
the
relay
is
in
proper
working
order
.
237
P
/
237
F
Series
Units
:
Drawout
circuit
boards
of
the
same
catalog
number
are
interchangible
.
A
unit
is
identified
by
the
catalog
number
stamped
on
the
front
panel
and
the
serial
number
stamped
on
the
bottom
side
of
the
drawout
circuit
board
.
The
board
is
removed
by
using
the
metal
pull
knobs
on
the
front
panel
.
Removing
the
board
in
service
does
not
open
-
circuit
the
ct
’
s
.
is
available
for
use
in
troubleshooting
.
An
18
point
extender
board
,
cat
200
X
0018
,
437
P
/
437
F
/
437
W
/
437
G
Series
Units
:
Metal
handles
provide
leverage
to
withdraw
the
relay
assembly
from
the
case
.
Removing
the
unit
in
an
application
that
uses
the
normally
closed
contact
will
cause
a
trip
.
and
a
serial
number
stamped
on
the
bottom
of
the
board
.
assembly
is
identified
by
a
catalog
number
stamped
on
the
front
panel
The
Test
connections
are
readily
made
to
the
drawout
relay
unit
by
means
of
standard
banana
plugs
.
Current
connections
are
made
to
the
vertical
posts
at
the
blade
assembly
.
Control
power
and
output
connections
are
made
at
the
rear
vertical
circuit
board
.
This
rear
board
is
marked
for
easy
identification
of
the
connection
points
.
Should
separation
of
the
upper
and
lower
circuit
boards
be
necessary
,
remove
(
2
)
screws
that
attach
the
left
and
right
handle
assemblies
to
the
upper
printed
circuit
board
.
Certain
units
also
require
the
removal
of
the
(
2
)
screws
on
the
bottom
of
the
The
lower
circuit
board
An
18
point
access
to
this
lower
board
that
secure
the
board
to
the
backplane
board
,
can
then
be
withdrawn
forward
from
the
printed
circuit
connector
,
extender
board
(
catalog
200
X
0018
)
is
available
from
the
factory
if
assembly
is
required
for
troubleshooting
.
Note
that
on
437
W
/
437
G
series
units
there
is
a
3
conductor
color
coded
cable
that
connects
the
upper
and
lower
printed
circuit
boards
.
Carefully
remove
the
cable
from
the
connector
on
the
lower
circuit
board
before
separating
the
boards
.
Be
sure
to
restore
this
cable
before
testinQ
or
returning
the
relay
to
service
.
The
cable
must
be
reconnected
in
the
same
orientation
,
with
position
on
the
upper
board
connecting
to
position
$
1
on
the
lower
board
.
Test
Plug
:
catalog
400
X
0001
,
is
available
for
use
with
the
437
series
This
device
plugs
into
the
relay
case
on
the
switchboard
and
allows
access
to
external
circuits
wired
to
the
case
.
See
Instruction
Book
IB
7.7
.
1.7
-
8
for
A
test
plug
assembly
units
,
al
1
details
on
the
use
of
this
device
.
2
.
HIGH
POTENTIAL
TESTS
High
potential
tests
are
not
recommended
.
A
hi
-
pot
test
was
performed
at
the
factory
before
shipping
.
If
a
control
wiring
insulation
test
is
required
,
the
following
pro
-
cedures
are
given
based
on
the
catalog
series
of
the
relay
:
237
series
units
:
withdraw
the
drawout
element
from
the
case
.
Disconnect
the
link
or
jumper
between
terminals
16
and
G
on
the
rear
of
the
relay
case
.
used
to
connect
certain
internal
surge
suppression
components
to
ground
in
normal
Failure
to
remove
this
link
will
result
in
current
leakage
to
ground
Be
sure
to
reconnect
the
link
when
testing
is
completed
.
(
This
link
is
operation
.
during
testing
.
)
437
series
units
:
voltage
.
when
high
the
link
is
restored
to
its
position
to
connect
certain
surge
suppression
to
ground
for
normal
operation
.
This
link
is
labelled
"
Remove
for
Hipot
"
.
)
withdraw
the
drawout
element
from
the
case
before
applying
test
(
Note
:
a
link
provided
on
the
upper
circuit
board
is
temporarily
removed
potential
tests
are
conducted
on
the
relay
at
the
factory
.
After
testing
components
Courtesy of NationalSwitchgear.com

ABB CIRCUIT SHIELD 437W Series Specifications

General

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