GE IAC User Manual

GEK
-
86054
The
internal
connections
are
:
TABLE
II
Drawing
No
.
Figure
Relay
6209658
0257
A
8339
6209961
0285
A
6667
6375694
0285
A
6747
IAC
66
A
IAC
66
A
,
Forms
51
and
up
IAC
66
B
IAC
66
B
,
Forms
51
and
up
IAC
66
C
IAC
66
C
,
Forms
51
and
up
2
A
2
B
3
A
3
B
4
A
4
B
The
outline
and
panel
drilling
dimensions
are
shown
in
Figure
5
.
RATINGS
INDUCTION
UNIT
The
induction
unit
coll
is
available
in
several
ranges
of
pickup
current
.
Table
III
lists
ranges
,
tap
values
,
continuous
-
current
ratings
and
short
time
current
ratings
of
the
induction
unit
coil
.
The
induction
unit
contacts
will
close
30
amperes
for
voltages
not
exceeding
250
volts
.
The
current
carrying
ratings
are
affected
by
the
tap
selected
on
the
target
and
seal
-
1
n
coll
,
as
Indicated
1
n
Table
IV
.
If
the
tripping
current
exceeds
30
amperes
,
use
an
auxiliary
relay
that
is
connected
such
that
the
tripping
current
does
not
pass
through
either
the
contacts
or
the
target
and
seal
-
in
coils
of
the
protective
relay
.
TABLE
III
INDUCTION
UNIT
COIL
RATINGS
(
FORMS
51
AND
UP
)
SHORT
TIME
(
ONE
SECOND
)
RATING
(
AMPS
)
CONTINUOUS
CURRENT
(
AMPS
)
PICKUP
RANGE
(
AMPS
)
TAP
VALUES
(
AMPS
)
75
0.6
,
0.8
,
1.0
,
1.2
,
1.4
,
1.6
,
3
0.6
/
1.8
1.8
200
1.5
,
2
,
2.5
,
3
,
3.5
,
4
,
4.5
1.5
/
4.5
5
300
2.5
,
3
,
3.5
4
,
5
,
6
,
7.5
5
2.5
/
7.5
10
400
4.0
/
12
4
,
5
,
6
,
7
,
8
,
10
,
12
Two
taps
are
required
to
select
pickup
for
IAC
66
relays
having
forms
51
and
up
.
The
two
taps
required
for
the
values
shown
1
n
Table
III
are
(
from
the
lowest
to
highest
pickup
)
:
A
/
L
,
B
/
K
,
C
/
J
,
D
/
H
,
D
/
G
,
E
/
G
and
F
/
G
,
respectively
,
as
labelled
on
4
Courtesy of NationalSwitchgear.com

GE IAC Specifications

General

Brand	GE
Model	IAC
Category	Relays
Language	English