Fuji Electric EW100EAG - Page 22

20
2
Current and energy limiting curves
Current-limiting curves
Voltage 400/440 V AC Voltage 660/690 V AC
Limited short-circuit current (k peak) Limited short-circuit current (k peak)
2 3 4 6 10 20 30 4050 70 100 200 300
300
200
100
80
70
60
50
40
30
20
10
8
7
6
5
4
kA rms
kÂ
BX630
H
R
H
R
BX400
BX250
BX100
BX160
146
2 3 4 6 10 20 30 40 60
65
100 200 300
300
200
146
100
80
70
60
50
40
30
20
10
8
7
6
5
4
kÂ
BX630
BX400
BX250
BX100
BX160
H
R
R, H
kA rms
Operating characteristics and performance
2-2 Breaking performance