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Power losses:
It is the power consumption on the NH fuse, which has reached stable température, while rated current passes through the circuit. When rated current passes through a fuse, température at joints of the NH fuse (for example 00 length and 160A) does not exceed 65K.
Power losses of Fédéral Electric NH fuses are below the values set by the standards. Thèse values are shown comparatively in the table below in accordance with TS EN 60269 / IEC60269 / VDE 0636.
Size
Rated Current (A)
Maximum power loss values
TS EN 60269
IEC 60269
VDE 0636
Fédéral
00
6
12 W
12 W
7.5 W
1.7 W
00
10
12 W
12 W
7.5 W
2.0 W
00
16
12 W
12 W
7.5 W
2.2 W
00
25
12 W
12 W
7.5 W
2.7 W
00
32
12 W
12 W
7.5 W
3.5 W
00
40
12 W
12 W
7.5 W
4.2 W
00
50
12 W
12 W
7.5 W
4.5 W
00
63
12 W
12 W
7.5 W
5.8 W
00
80
12 W
12 W
7.5 W
6.6 W
00
100
12 W
12 W
7.5 W
8.5 W
00
125
12 W
12 W
7.5 W
10.0 W
00
160
12 W
12 W
—
12.0 W
0
25
16 W
16 W
16 W
3.4 W
0
32
16 W
16 W
16 W
4.0 W
0
40
16 W
16 W
16 W
5.0 W
0
50
16 W
16 W
16 W
5.7 W
0
63
16 W
16 W
16 W
7.2 W
0
80
16 W
16 W
16 W
7.5 W
0
100
16 W
16 W
16 W
8.5 W
0
125
16 W
16 W
16 W
10.0W
0
160
16 W
16 W
16 W
14.0W
1
80
23 W
23 W
23 W
7.5 W
1
100
23 W
23 W
23 W
9.0 W
1
125
23 W
23 W
23 W
10.0W
1
160
23 W
23 W
23 W
13.0W
1
200
23 W
23 W
23 W
17.5W
1
250
23 W
23 W
23 W
23.0 W
2
160
34 W
34 W
34 W
12.0 W
2
200
34 W
34 W
34 W
17.5 W
2
250
34 W
34 W
34 W
20.3 W
2
315
34 W
34 W
34 W
25.0 W
2
400
34 W
34 W
34 W
30.0 W
3
315
48 W
48 W
48 W
25.0 W
3
400
48 W
48 W
48 W
31 .OW
3
500
48 W
48 W
48 W
35.0 W
3
630
48 W
48 W
48 W
42.0 W
ipFEDERAL
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