ABB ZX0 Manual For Installation And Operation page 59

Table 4.3.5.2: Selection table for HV HRC fuses, Siba (U
Operating Transformer
Voltage Rating
[kV] [kVA]
50
75
100
125
160
6 ... 7.2
200
250
315
400
400
50
75
100
125
160
200
250
10 ... 12
315
400
400
500
500
630
630
800
up to 12 kV)
r
Relative
Rated transformer
impedance
current
voltage u
K
[%] [A]
4 4.8
4 7.2
4 9.6
4 12
4 15.4
4 19.2
4 24.1
4 30.3
4 38.5
6 38.5
4 2.9
4 4.3
4 5.8
4 7.2
4 9.2
4 11.5
4 14.4
4 18.2
4 23.1
6 23.1
4 28.9
6 28.9
4 36.4
6 36.4
6 46.2
Rated current of the HV-fuse
min.
Type [A]
16
16
20
20
31.5
40
40
50
63
63
10
10
HHD-B
16
16
20
20
25
31.5
40
40
50
50
63
63
HHD-BSSK 80
max.
Type [A]
16
20
25
31.5
HHD-B 40
50
63
63
63
HHD-BSSK 80
10
10
16
20
25
HHD-B 31.5
40
50
50
40
63
63
80
HHD-BSSK
80
80
Manual ZX0 HB 600 en - Revision 05 | 59