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picks
up,
it
raises
exposed
unti l
released
corner of the cover.
The
instantaneous
mounted
on
the
overcurrent
unit.
with
the
contacts
connected
in
series
instantaneous
unit picks
remains exposed until it is released.
the
target
of
the
instantaneous unit.
T IME-OVERCURRENT UNIT
Ratings of the time overcurrent unit are given in Table I.
RELAY
IAC53A and
IAC54A
IAC53B and
IAC54B
Avai labl e taps of the time-overcurrent unit are shown in Table I I.
RANGE, AMPERES
0.5
4.0
-
1.5
- 12.0
2.0
- 15.0
GEK-34054
a target into
by
pressing
unit
is
a
small-hinge
front,
to
the
Its
contacts
o f
the
time-overcurrent
with
the
up,
it raises a target that l atches
seal -in
unit
RATINGS
TABLE I
FREQUENCY
CYCLES
50/60
50/60
TABLE I I
TAPS AVAILABLE {AMPERES)
0.5, 0.6, 0.7, 0.8 1.0, 1.2, 1.5, 2.0, 2.5, 3.0, 4.0
1.5, 2.0, 2.5, 3.0. 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0
2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0, 12.0, 15.0
view that l atches
a
button
beneath
type
unit,
right
of
the
s haft
are
normal l y
connected
unit,
time-overcurrent
The same button that releases
also
releases
PICKUP RANGE, AMPERES
MAIN (TIME)
INSTANTANEOUS
UNIT
0.5
-
4.0
1.5
- 12.0
2.0
- 15.0
0.5
-
4.0
0.5
1.5
- 12.0
2.0
2.0
- 15.0
10.0
20.0
5
up and
remains
the
l ower - l eft
which
may
of
the
time
in
paral l e l
and
its
coil
unit.
When
the
up and
the
target
of
the
UNIT
4.0
-
16.0
-
80.0
- 160.0
be
is
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