SPECIFICATION
Type | NB-DPX-125 | NB-DPX-160 |
NB-DPX-250 |
NB-DPX-400 | |
Poles number | 3 | 3 | 3 | 3 | |
Rated current ln(A) | 25-125 | 25-125 |
125-250 |
125-400 |
|
Rated working voltage Ue(V)(50/60Hz) | 500 | 500 |
600 |
600 | |
Rated working voltage Ue(V) | 250 | 250 |
250 |
250 | |
Rated insulation voltage Ui(V) | 500 | 500 |
690 |
690 | |
Rated impulse voltage Uimp(kV) | 6 | 6 |
8 |
8 | |
Utilisation category | A | A |
A |
A | |
Rated limited short-circuit breaking capacity lcu(kA) |
230/240V |
22 | 50 |
60 |
70 |
400/415V |
16 | 36 |
36 |
40 | |
440V |
10 | 20 |
30 |
36 | |
480/500V |
8 | 14 |
25 |
30 | |
600V |
- |
20 |
- | ||
690V |
- | - |
16 |
- | |
250V |
16 | - |
36 |
||
Rated short-circuit breaking service capacity lcs(%lcu) | 100 | 100 | 100 |
100 |
|
Mechanical life | 7000 | 7000 |
7000 |
5000 |
|
Electrical life | 1000 | 1000 |
1000 |
800 |