ABB SACE Emax Instructions For Installation And Service page 69

12.8 Curve di intervento
t[s]
20
30'
20'
3
10
10' 6
4
5'
2
2'
2
10
1' 60
40
20
10
6
4
2
1
0.6
0.4
0.2
0.1
0.06
0.04
0.02
0.01
0.1
t[s]
20
30'
20'
3
10
10' 6
4
5'
2
2'
2
10
1' 60
40
20
10
6
4
2
1
0.6
0.4
0.2
0.1
0.06
0.04
0.02
0.01
0.1
Mod. M4379
Rev.
Courtesy of NationalSwitchgear.com
0.95
0.4
0.6 0.9
0.7
0.8
1
0.5
D
C
B
L
A
0.2 0.3 0.4 0.5 0.6 0.7 0.80.9 1 1.2
0.95
0.4
0.6 0.7 0.9
0.8
0.5 1
D
C
1
B
A
L
D
C
B
S
A
t = K
I 2
2
I t
ON
0.2 0.3 0.4 0.5 0.6 0.7 0.80.9 1 1.2
12.8 Trip curves
1.5 2 4 8 10
6
D
C
B
A
1.5 3 4 5 6 7 8 9 10 12
2
2 3 4 6 8 10
2 4
1.5 6 8 10
D
C
B
A
1.5 3 4 5 6 7 8 9 10 12
2
Apparecchio
Apparatus
N° Doc.
Doc. No.
12
I
15 20 25
x I
n
12
I
15 20 25
x I
n
SACE Emax
601933/004
Scala
Scale
N° Pag.
Sh. No.
67/96