ABB Circuit Shield 87B User Manual

High
Impedance
Differential
Relay
IB
7.6
.
1.7
-
7
Page
14
OBSOLETE
RELAYS
419
B
00
X
4
Series
Units
The
Type
87
B
relay
(
419
B
series
)
with
catalog
numbers
ending
with
the
digit
“
4
”
have
been
obsoleted
and
superseded
by
catalog
numbers
ending
with
the
digit
“
2
”
.
The
obsoleted
models
have
been
internally
modified
by
the
replacement
of
the
Thyristor
(
SCR
)
output
device
to
a
contact
output
.
The
relay
has
been
internally
connected
as
to
mimic
the
operating
characteristics
of
the
SCR
.
The
operating
times
,
output
ratings
,
and
external
wiring
have
not
been
altered
by
this
modification
.
219
B
00
X
4
Series
Units
Type
87
B
relays
of
catalog
series
219
B
are
obsolete
and
have
been
superseded
by
catalog
series
419
B
.
functionally
equivalent
;
however
,
the
219
B
series
was
of
non
-
drawout
construction
.
Both
series
are
In
the
event
that
a
219
B
series
unit
is
to
be
replaced
with
a
419
B
series
unit
the
following
applies
:
The
entire
case
assembly
must
be
replaced
.
(
Be
sure
to
de
-
energize
all
equipment
and
short
current
-
transformer
secondaries
before
disconnecting
any
wires
.
)
The
419
B
case
assembly
will
mount
in
the
same
panel
cutout
as
the
219
B
series
unit
.
1
.
The
connections
are
not
the
same
.
The
following
chart
is
provided
as
a
guide
to
rewiring
.
See
Figure
2
,
page
4
for
the
external
connections
for
the
419
B
series
units
.
The
internal
connections
for
the
219
B
series
units
are
shown
below
for
reference
.
2
.
Terminal
on
419
B
unit
Wireon
219
B
unit
terminal
number
Moves
to
>
I
1
>
1
2
•
>
6
4
>
7
7
>
8
8
>
11
11
>
G
G
CT
Station
Ground
CT
H
<
+
>
#
o
5
o
<
6
lo
2
<
Ll
(
Back
View
)
1
«
®
O
150
140
130
120
110
100
90
#
-
OC
Control
V
86
Powtr
Q
*
HEA
or
LOR
(
-
)
Typical
Connections
for
219
B
Series
Units
-
For
Reference
Only
Courtesy of NationalSwitchgear.com

ABB Circuit Shield 87B Specifications

General

Brand	ABB
Model	Circuit Shield 87B
Category	Relays
Language	English