ABB NALF Series - Page 66

66
MOUNTING AND OPERATION MANUAL INDOOR AIR SWITCH-DISCONNECTOR, NAL/NALF/VR
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
10 -12
50 4 2.9 3.5 CEF-S 6/12 10 292 1YMB741216M2611
NALF 12 kV
75 4 4.3 5.2 CEF-S 6/12 16 292 1YMB741218M2611
100 4 5.8 6.9 CEF-S 6/12 20 292 1YMB741219M2611
125 4 7.2 8.7 CEF-S 6/12 20 292 1YMB741219M2611
160 4 9.2 11.1 CEF-S 6/12 25 292 1YMB741221M2611
200 4 11.5 13.9 CEF-S 6/12 40 292 1YMB741225M2611
250 4 14.4 17.3 CEF-S 6/12 40 292 1YMB741225M2611
315 4 18.2 21.8 CEF-S 6/12 50 292 1YMB741227M2611
400 4 23.1 27.7 CEF-S 6/12 63 292 1YMB741229M2611
500 4 28.9 34.6 CEF-S 6/12 63 292 1YMB741229M2611
630
1)
4 30.3 36.4 CEF-S 6/12 63 292 1YMB741229M2611
20-24
75
4)
4 2.2 2.6 CEF-S 10/24 10 442 1YMB742416 M4611
NALF 24 kV
100 4 2.9 3.5 CEF-S 10/24 10 442 1YMB742416M4611
125 4 3.6 4.3 CEF-S 10/24 16 442 1YMB742418M4611
160 4 4.6 5.5 CEF-S 10/24 16 442 1YMB742418M4611
200 4 5.8 6.9 CEF-S 10/24 20 442 1YMB742419M4611
250 4 7.2 8.7 CEF-S 10/24 20 442 1YMB742419M4611
315 4 9.1 10.9 CEF-S 10/24 25 442 1YMB742421M4611
400 4 11.5 13.9 CEF-S 10/24 40 442 1YMB742425M4611
500 4 14.4 17.3 CEF-S 10/24 40 442 1YMB742425M4611
630 4 18.2 21.8 CEF-S 10/24 50 442 1YMB742425M4611
800 5 23.1 27.7 CEF-S 10/24 50 442 1YMB742425M4611
1000
2)
5 24.1 28.9 CEF-S 10/24 50 442 1YMB742425M4611
30-36
75
4)
4 1.4 1.7 CEF-S 30/40.5 6.3 537 1YMB744014M5611
NALF Wind
36 kV
100
4)
4 1.9 2.3 CEF-S 30/40.5 6.3 537 1YMB744014M5611
125 4 2.4 2.9 CEF-S 30/40.5 6.3 537 1YMB744014M5611
160 4 3.1 3.7 CEF-S 30/40.5 10 537 1YMB744 016M5611
200 4 3.8 4.6 CEF-S 30/4 0.5 16 537 1YMB744018M5611
250 4 4.8 5.8 CEF-S 30/40.5 16 537 1YMB744018M5611
315 4 6.1 7.3 CEF-S 30/40.5 20 537 1YMB744 019 M5611
400 4 7.7 9.2 CEF-S 30/40.5 40 537 1YMB744025M5811
500 4 9.6 11.5 CEF-S 30/40.5 40 537 1YMB744025M5811
630 4 12.1 14.5 CEF-S 30/40.5 40 537 1YMB744025M5811
800 5 15.4 18.5 CEF-S 30/40.5 40 537 1YMB744025M5811
1000 5 19.2 23.1 CEF-S 30/4 0.5 40 537 1YMB744025M5811
1250 5 24.1 28.9 CEF-S 30/40.5 40 537 1YMB744025M5811
1600 6 30.8 37.0 CEF-S 30/40.5 50 537 1YMB744027M5811
2000 6 38.5 46.2 CEF-S 30/40.5 63 537 1YMB744029M5811
2500 6 48.1 57.7
CEF-S 30/40.5 63 537 1YMB744029M5811
3000
3)
6 48.1 57.7 CEF-S 30/40.5 63 537 1YMB744029M5811
Reference list for ABB CEF-S fuse-link selection for transformer protection with 100% and 120 % load
—
1)
- rated voltage 12 kV,
2)
- rated voltage 24 kV,
3)
- rated voltage 36 kV,
4)
fuse link is not able to clear independently transformer secondary side terminals short circuit current