ABB SACE Emax Instructions For Installation And Service page 96

13.10 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
0.4 1
0.6
L
0.2 0.3 0.4 0.5 0.6 0.7 0.80.9 1 1.2
0.4 1
1
0.6
L
S
t = k
0.2 0.3 0.4 0.5 0.6 0.7 0.80.9 1 1.2
13.10 Trip curves
6 8
1.5 2 3 4 5 7
1.5 3 6 8
2 4 5 7
1.5 3 4 5 6 7 8 9 10 12
2
6 7 8
1.5 2 3 4 5
8
1.5 3 4 5 6 7
2
1.5 3 4 5 6 7 8 9 10 12
2
Apparecchio
Apparatus
N° Doc.
Doc. No.
10
10 12 15
S
2
t=k/I
I
15 20
x I
n
10
10 12 15
I
15 20
x I
n
SACE Emax
601933/004
Scala
Scale
N° Pag.
Sh. No.
94/96