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Dimensions
Section 12
Short-circuit current limiting (cont.)
Technical advice
C120N, H
2P / 3P / 4P
Peak current
DB124294
Prospective short-circuit current (kA eff.)
Peak current (kA)
1
2
10
1
2
4
10
3
5
8
6
7
9
20
5 6 7 8 9
4 3
15 20
15
30
2
7
cos phi = 0.3
= 0.5
= 0.8
= 0.9
= 0.95
6
5
4
3
= 0.7
1
b
b
Circuit breaker type in accordance with the mark:
v
v
1: C120N
v
v
2: iC120H
v
v
3: 0-16 A
v
v
4: 20-25 A
v
v
5: 32-40 A
v
v
6: 50-63 A
v
v
7: 80-125 A
Thermal stress
DB405605
Prospective short-circuit current (kA eff.)
Thermal stress (A²s)
2
16A
25A
32A
50A
125A
100A
63A
10A
20A
40A
80A
1
10ms
10
10
10
10
10
6
5
2
4
3
0.1
1
10
100
5
5
5
5
5
b
b
Circuit breaker type in accordance with the mark:
v
v
1: C120N
v
v
2: iC120H
Limitation curves for network
Ue: 440 V AC