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Circuit-breakers, fuses
Let-through characteristics miniature circuit-breakers
2010 CA08103002Z-EN
www.eaton.com19/61
Miniature circuit-breakers (MCB)
FAZ...
Let-through energy I
2
t
Let-through current I
D
According to IEC/EN 60898
According to IEC/EN 60898
AZ...
Let-through energy I
2
t
Let-through current I
D
i
2
dt
[A
2
s]
10
3
0.5
1
1.5 2
3
4 5
2
3
4
6
10
4
8
1.5
2
3
4
6
8
5
40A
50A
63A
FAZ-Z
32A
25A
20A
16A
8A
10A
4A
6A
3A
2A
1.6A
1A
0.5A
6 7 8 9 10
4
3
1.5
I
cc rms
[kA]
10
3
63 A
50 A
40 A
32 A 25 A 20 A 16 A
8 A
10 A
6 A
2 A
3 A
4 A
1.6 A
1 A
0.5 A
1.5
2
3
4
6
8
10
4
5
0.5
1
1.5 2
3 4 5 6
I
D
[A]
FAZ-Z
7 8 9 10
I
cc rms
[kA]
10
5
AZ-C
1.5
8
6
4
3
2
1.5
8
6
4
3
2
1.5
10
4
10
3
5
0.5
1
1.5 2
3
4
6 7 8 9 10
15
25
20
5
125 A 100 A
80 A
63 A
40 A
50 A
32 A
20 A
25 A
Z
i
2
dt
[A
2
s]
1
st
half-wave t = 10 ms
I
cc rms
[kA]
125 A
100 A
50 A
63 A
80 A
40 A
32 A
25 A
20 A
0.5
1.5
15
1
2
20 25
3
4 5 6 7 8 9 10
10
3
10
4
Î
D
[A]
8
6
4
3
2
5
1.5
AZ-C
I
cc rms
[kA]
FAZ, AZ