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19/54 Circuit-breakers, fuses
Miniature circuit-breakers (MCB)
2010 CA08103002Z-EN
www.eaton.comMiniaturecircuit-breakers (MCB)
Engineering
Influence of the ambient temperature on the thermal trip behavior
Corrected values of the rated operational current dependent on the ambient temperature
FAZ..., FAZT...
FAZ-...-NA, FAZ-...-RT
Ambient temperature T [°C]
Ambient temperature T [°C]
I
n
[A] –40 –30 –20 –10 0 10 20 30 35 40 45 50 55 60 65 70 75
I
n
[A] 15 20 25 30 40 50 55 60
0.16
0.20 0.20 0.19 0.19 0.18 0.17 0.17 0.16 0.16 0.15 0.15 0.15 0.14 0.14 0.14 0.14 0.13
0.5
0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5
0.25
0.32 0.31 0.30 0.29 0.28 0.27 0.26 0.25 0.25 0.24 0.24 0.23 0.23 0.22 0.22 0.21 0.21
1.0
1.1 1.1 1.1 1.0 1.0 1.0 0.9 0.9
0.5
0.64 0.62 0.60 0.58 0.56 0.54 0.52 0.50 0.49 0.48 0.47 0.46 0.45 0.44 0.43 0.42 0.41
1.5
1.7 1.6 1.6 1.6 1.5 1.4 1.4 1.4
0.75
0.96 0.93 0.90 0.87 0.84 0.81 0.78 0.75 0.74 0.73 0.71 0.69 0.68 0.66 0.65 0.64 0.62
2.0
2.2 2.2 2.1 2.1 2.0 1.9 1.9 1.8
1
1.3 1.2 1.2 1.2 1.1 1.1 1.0 1.0 0.99 0.97 0.95 0.93 0.90 0.89 0.87 0.85 0.83
3.0
3.3 3.2 3.2 3.1 3.0 2.9 2.9 2.8
1.5
1.9 1.9 1.8 1.7 1.7 1.6 1.6 1.5 1.5 1.5 1.4 1.4 1.4 1.3 1.3 1.3 1.2
4.0
4.4 4.3 4.2 4.2 4.0 3.8 3.8 3.7
1.6
2.0 2.0 1.9 1.9 1.8 1.7 1.7 1.6 1.6 1.5 1.5 1.5 1.4 1.4 1.4 1.4 1.3
5.0
5.5 5.4 5.3 5.2 5.0 4.8 4.7 4.6
2
2.6 2.5 2.4 2.3 2.2 2.2 2.1 2.0 2.0 1.9 1.9 1.9 1.8 1.8 1.7 1.7 1.7
6.0
6.6 6.5 6.4 6.2 6.0 5.8 5.6 5.5
2.5
3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.5 2.4 2.4 2.3 2.3 2.2 2.2 2.1 2.1
7.0
7.7 7.6 7.4 7.3 7.0 6.7 6.6 6.4
3
3.8 3.7 3.6 3.5 3.4 3.3 3.1 3.0 3.0 2.9 2.8 2.8 2.7 2.7 2.6 2.5 2.5
8.0
8.8 8.6 8.5 8.3 8.0 7.7 7.5 7.4
3.5
4.5 4.4 4.2 4.1 3.9 3.8 3.7 3.5 3.4 3.4 3.3 3.2 3.2 3.1 3.0 3.0 2.9
10.0
11.0 10.8 10.6 10.4 10.0 9.6 9.4 9.2
4
5.1 5.0 4.8 4.7 4.5 4.3 4.2 4.0 3.9 3.9 3.8 3.7 3.6 3.5 3.5 3.4 3.3
13.0
14.3 14.0 13.8 13.5 13.0 12.5 12.5 12.0
5
6.4 6.0 6.0 5.8 5.6 5.4 5.2 5.0 4.9 4.8 4.7 4.6 4.5 4.4 4.3 4.2 4.1
15.0
16.5 16.2 15.9 15.6 15.0 14.4 14.1 13.8
6
7.7 7.5 7.2 7.0 6.7 6.5 6.3 6.0 5.9 5.8 5.7 5.6 5.4 5.3 5.2 5.1 5.0
16.0
17.6 17.3 17.0 16.6 16.0 15.4 15.0 14.7
8
10.2 9.9 9.6 9.3 9.0 8.7 8.4 8.0 7.9 7.7 7.6 7.4 7.2 7.1 6.9 6.8 6.6
20.0
22.0 21.6 21.2 20.8 20.0 19.2 18.8 18.4
10
13 12 12 12 11 11 10 10 9.9 9.7 9.5 9.3 9.0 8.9 8.7 8.5 8.3
25.0
27.5 27.0 26.5 26.0 25.0 24.0 23.3 23.0
12
15 15 14 14 13 13 13 12 12 12 11 11 11 11 10 10 10
30.0
33.0 32.4 31.8 31.2 30.0 28.8 28.2 27.6
13
17 16 16 15 15 14 14 13 13 13 12 12 12 12 11 11 11
32.0
35.2 34.6 33.9 33.3 32.0 30.7 30.1 29.4
15
19 19 18 17 17 16 16 15 15 15 14 14 14 13 13 13 12
40.0
44.0 43.2 42.4 41.6 40.0 38.4 37.6 36.8
16
20 20 19 19 18 17 17 16 16 15 15 15 14 14 14 14 13
20
26 25 24 23 22 22 21 20 20 19 19 19 18 18 17 17 17
25
32 31 30 29 28 27 26 25 25 24 24 23 23 22 22 21 21
32
41 40 38 37 36 35 33 32 32 31 30 30 29 28 28 27 26
40
51 50 48 47 45 43 42 40 39 39 38 37 36 35 35 34 33
50
64 62 60 58 56 54 52 50 49 48 47 46 45 44 43 42 41
63
81 78 76 73 71 68 66 63 62 61 60 58 57 56 55 53 52
Heat dissipation FAZT
Heat dissipation FAZ-...-NA, FAZ-...-RT
Depending on rated operational current I
u
Depending on rated operational current I
u
Characteristic C
Characteristic D
Characteristic C
Characteristic D
Pole
Pole
Pole
Pole
1
2
3
1
2
3
1
2
3
1
2
3
I
n
[A]
P [W]
P [W]
P [W]
P [W]
P [W]
P [W]
I
n
[A]
P [W]
P [W]
P [W]
P [W]
P [W]
P [W]
0.5
1.6
3.2
4.7
1.6
3.2
4.8
0.5
1.6
3.2
4.7
1.6
3.2
4.8
1
1.1
2.2
3.4
0.8
1.5
2.3
1
1.1
2.2
3.4
0.8
1.5
2.3
1.5
1.3
2.6
3.9
1.0
2.1
3.1
1.5
1.3
2.6
3.9
1.0
2.1
3.1
2
1.4
2.8
4.3
1.0
2.1
3.1
2
1.4
2.8
4.3
1.0
2.1
3.1
3
1.2
2.4
3.6
1.2
2.4
3.6
3
1.2
2.4
3.6
1.2
2.4
3.6
4
1.4
2.9
4.3
1.4
2.9
4.3
4
1.4
2.9
4.3
1.4
2.9
4.3
5
1.9
3.7
5.6
1.5
2.9
4.4
5
1.9
3.7
5.6
1.5
2.9
4.4
6
1.2
2.3
3.5
1.2
2.3
3.5
6
1.2
2.3
3.5
1.2
2.3
3.5
7
1.4
2.8
4.3
1.4
2.8
4.3
7
1.4
2.8
4.3
1.4
2.8
4.3
8
1.4
2.8
4.2
1.2
2.4
3.7
8
1.4
2.8
4.2
1.2
2.4
3.7
10
1.9
3.6
5.3
1.5
3.0
4.5
10
1.8
3.6
5.3
1.5
3.0
4.5
13
2.4
4.7
7.1
2.0
4.1
6.1
13
2.4
4.7
7.1
2.0
4.1
6.1
15
1.9
3.8
5.6
1.5
3.1
4.6
15
1.9
3.8
5.6
1.5
3.1
4.6
16
2.1
4.3
6.4
1.7
3.5
5.2
16
2.1
4.3
6.4
1.7
3.5
5.2
20
2.9
5.8
8.7
1.8
3.7
5.5
20
2.9
5.8
8.7
1.8
3.7
5.5
25
3.1
6.2
9.3
2.6
5.1
7.7
25
3.1
6.2
9.3
2.6
5.1
7.7
30
3.0
6.0
9.0
2.7
5.4
8.1
30
3.0
6.0
9.0
2.7
5.4
8.1
32
3.4
6.8
10.2
3.1
6.2
9.3
32
3.4
6.8
10.2
3.1
6.2
9.3
35
3.7
7.4
11.0
3.8
7.6
11.3
35
3.7
7.4
11.0
3.8
7.6
11.3
40
4.0
8.1
12.1
3.9
7.8
11.6
40
4.0
8.1
12.1
3.9
7.8
11.6
FAZ, FAZT, FAZ-NA, FAZ-RT