CHINT NS2-80 - Page 6

04
x times of setting current
Time(s)
10000
1000
100
10
1
0.1
0.01
0.001
11
22
33
1
1.5
2
10 100
1 Start from cold state, 3 poles
2 Start from cold state, 2 poles
3 Start from thermal state, 3 poles
Figure 1 Time – current characteristic curve (20℃)