*(.&
12
DIAC / DIFC / DSFC Digital Overcurrent Protection
0.1
2
3
4
5
5
6 7
1
2
3
4
5
5
6
10
2
3
4
5
5
6
100
0.01
2
3
4
4
5
6
0.1
2
3
4
4
5
6
1
2
3
4
4
5
6
10
2
3
4
4
5
6
100
2
DIAC, DIFC, & DSFC
OVERCURRENT RELAYS
IAC 77
RESET
OPERATE
Extremely Inverse Standard
.5
1
2
3
4
5
T
im
e
D
ial
S
e
tt
ings
6
7
9.9
9
8
Pow er M anagem ent
Frequency: 50/60 Hertz
0.1 - 3.18 (1 Ampere Relays)
General Electric CO., 205 Great Valley Parkway, Malvern, PA 19355
0358A1110
Multiples of Pickup Setting
Ti
m
e
in
Sec
o
nd
s
Time Dial Range: (0.5 - 9.9)
Current Range: 0.5 - 15.9 ( 5 Ampere Relays)
GES10029
Figure 7: IAC77 TOC Curves
