Reference List Of Fuses - ABB NAL Series Installation And Operating Instructions Manual

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24.0 Reference list of fuses

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