60
| Manual ZX0 HB 600 en - Revision 05
Table 4.3.5.3: Selection table for HV HRC fuses, Siba (U
r
from 13.8 to 24 kV)
Operating
Voltage
Transformer
Rating
Relative
impedance
voltage u
K
Rated transformer
current
Rated current of the HV-fuse
[kV]
[kVA]
[%]
[A]
Type
min.
[A]
Type
max.
[A]
13.8
75
4
3.1
HHD-B
10
HHD-B
10
100
4
4.2
10
10
125
4
5.2
16
16
160
4
6.7
16
20
200
4
8.4
20
20
250
4
10.5
20
25
315
4
13.2
25
31.5
400
4
16.7
31.5
40
400
6
16.7
31.5
31.5
500
4
20.9
40
50
500
6
20.9
40
40
630
4
26.4
50
63
630
6
26.4
50
50
800
6
33.5
HHD-BSSK
63
HHD-BSSK
63
1000
6
41.8
80
80
15 ... 17.5
75
4
2.9
HHD-B
10
HHD-B
10
100
4
3.8
10
10
125
4
4.8
16
16
160
4
6.2
16
16
200
4
7.7
20
20
250
4
9.6
20
25
315
4
12.1
20
31.5
400
4
15.4
31.5
40
400
6
15.4
31.5
31.5
500
4
19.2
40
50
500
6
19.2
40
40
630
4
24.2
40
63
630
6
24.2
40
40
800
6
30.8
50
HHD-BSSK
63
1000
6
38.5
63
80
24
100
4
2.9
10
HHD-B
10
125
4
3.6
10
10
160
4
4.6
10
16
200
4
5.8
16
16
250
4
7.2
16
20
315
4
9.1
20
25
400
4
11.5
20
31.5
400
6
11.5
20
20
500
4
14.4
25
40
500
6
14.4
25
25
630
4
18.2
31.5
50
630
6
18.2
31.5
31.5
800
6
23.1
40
40
1000
6
28.9
50
HHD-BSSK
63