GE IAC Series Instruction Booklet page 8

The one-second thermal ratings are listed in Table I I I.
TIME OVERCURRENT UNIT
For ratings of less than one second,
according to the formula
where T is the time in seconds that the current flows.
The continuous current ratings
s hown in Tables IV, V and V I.
0.5 - 4.0 AMP RANGE
TAP
0.5
RATING 4.0
1.5 - 12.0 AMP RANGE
TAP 1.5
RATING
10.0 1 1.5
2.0 - 16.0 AMP RANGE
TAP 2.0
RATING 10.0 12.0
INSTANTANEOUS UNIT
The instantaneous
either one of two ranges.
( series connected )
f or high-range operation ( parallel connected ) .
GEK-34054
TABLE III
.{AMPS)
-
0.5 4.0
1.5 - 12.0
2.0 - 15.0
I=�
TABLE IV
0.7 0.8 1.0
0.6
4.5 5.5 5.5 6.0
TABLE V
2.0 2.5 3.0 4.0
13.0 14.5 17.0
TABLE V I
2.5 3.0 4.0 5.0
13.0 15.0 16.0
unit has a double-wound coil
Any setting obtained in the lower range
is doubled, within
1-SEC RATING
(AMPS)
140.0
260.0
260.0
the rating may be calculated
T
of the time-overcurrent units are
1.2 1.5
2.0
7.0 7.5
9.0
5.0 6.0 7.0
19.0 21.0 23.0
6.0 7.0 8.0
18.0 20.0 20.0
±3%, when the unit is connected
6
K
19,600
67, 600
67,600
3.0 4.0
2.5
10.0 1 1.0 13.0
8.0 10.0 12.0
23.5 27.5
30.5
10.0 12.0 16.0
20.0 20.0 20.0
f or operation on