63
Rated
system
voltage
[kV]
Transformer
Fuse-link
Switch-fuse
combination
dedicated
type
Rated
power S
R
[kVA]
Relative
impedance
voltage
uk [%]
Rated
current I
R
[A] 100%
Rated
current I
R
[A] 120 %
Type
Rated
voltage
U
R
[kV]
Rated
normal
current
I
R
[A]
Length
e [mm] Catalogue number
6 - 7.2
50
4
4.80
5.76
CEF
3/7.2
10
192
292
1YMB710716M1512
1YMB710716M2512
NALF 12 kV
75
4
7.20
8.64
CEF
3/7.2
16
192
292
1YMB710718M1512
1YMB710718M2512
100
4
9.60
11.52
CEF
3/7.2
20
192
292
1YMB710719M1512
1YMB710719M2512
125
4
12.00
14.40
CEF
3/7.2
20
192
292
1YMB710719M1512
1YMB710719M2512
160
4
15.40
18.48
CEF
3/7.2
25
192
292
1YMB710721M1512
1YMB710721M2512
200
4
19.20
23.04
CEF
3/7.2
31.5
192
292
1YMB710724M1512
1YMB710724M2512
250
4
24.10
28.92
CEF
3/7.2
40
192
292
1YMB710725M1512
1YMB710725M2512
315
4
30.30
36.36
CEF
3/7.2
50
192
292
1YMB710727M1512
1YMB710727M2512
400
4
38.50
46.20
CEF
3/7.2
50
192
292
1YMB710727M1512
1YMB710727M2512
500
4
48.10
57.72
CEF
3/7.2
63
192
292
1YMB710729M1612
1YMB710729M2612
630
4
60.60
72.72
CEF
3/7.2
100
192
292
1YMB710733M1612
1YMB710733M2612
800
5
77.00
92.40
CEF
3/7.2
100
192
292
1YMB710733M1612
1YMB710733M2612
1000
5
96.20
115.44
CEF
3/7.2
125
192
2)
292
1YMB710735M1812
2)
1YMB710735M2812
10 - 12
50
4
2.90
3.48
CEF
6/12
10
292
442
1YMB711216M2512
1YMB711216M4512
NALF 12 kV
75
4
4.30
5.16
CEF
6/12
10
292
442
1YMB711216M2512
1YMB711216M4512
100
4
5.80
6.96
CEF
6/12
16
292
442
1YMB711218M2512
1YMB711218M4512
125
4
7.20
8.64
CEF
6/12
16
292
442
1YMB711218M2512
1YMB711218M4512
160
4
9.20
11.04
CEF
6/12
20
292
442
1YMB711219M2512
1YMB711219M4512
200
4
11.50
13.80
CEF
6/12
20
292
442
1YMB711219M2512
1YMB711219M4512
250
4
14.40
17.28
CEF
6/12
25
292
442
1YMB711221M2512
1YMB711221M4512
315
4
18.20
21.84
CEF
6/12
31.5
292
442
1YMB711224M2512
1YMB711224M4512
400
4
23.10
27.72
CEF
6/12
31.5
292
442
1YMB711224M2512
1YMB711224M4512
500
4
28.90
34.68
CEF
6/12
50
292
442
1YMB711227M2612
1YMB711227M4612
630
4
36.40
43.68
CEF
6/12
50
292
442
1YMB711227M2612
1YMB711227M4612
800
5
46.20
55.44
CEF
6/12
63
292
442
1YMB711229M2612
1YMB711229M4612
1000
5
57.70
69.24
CEF
6/12
80
292
442
1YMB711231M2612
1YMB711231M4612
1250
5
72.20
86.64
CEF
6/12
100
292
442
1YMB711233M2612
1YMB711233M4612
1600
6
92.40
110.88
CEF
6/12
125
292
442
1YMB711235M2812
2)
1YMB711235M4612
The reference list of fuse -links for NALF/VR switch-fuse combinations according to IEC 62271-105
ABB CEF/CEF-VT fuse-link selection for transformer protection with load 100% and 120%
—
24.0 Reference list of fuses
—
1)
Fuse link is not able to clear independently transformer
secondary side terminals short circuit current
2)
Available for 100% load only