SPECIFICATION
| Type |
NB-3VL-160X |
NB-3VL-160 |
NB-3VL-250 |
NB-3VL-400 | NB-3VL-630 | |
| Poles number |
3 |
3 | 3 | 3 |
3 |
|
| Rated current ln(A) |
20-160A |
20~16A |
100-250A |
200-400A | 315-400A | |
| Rated operating voltage Ue(V)AC 50/60Hz |
690 |
690 |
690 |
690 |
690 |
|
| Rated insulation voltage Ui(V) |
800 |
800 |
800 |
800 |
800 |
|
| Rated impulse withstand voltage Uimp(kV) |
8 |
8 | 8 | 8 |
8 |
|
| Utilisation category |
A |
A | A | A | A | |
| Rated ultimated | AC220/240V |
65 |
65 |
65 | 65 | 65 |
| short-circuit breaking | AC380/415V |
40 |
40 | 40 | 40 | 40 |
| capacity lcu(kA) | AC690V |
8 |
8 | 12 | 12 | 12 |
| Rated short-circuit | AC220/240V |
65 |
65 |
65 | 65 | 65 |
| service breaking capacity lcs(kA) | AC380/415V |
40 |
40 | 40 | 40 | 40 |
| AC690V |
4 |
4 | 6 | 6 |
6 |
|
Termomagnetic
T(thermal
M(magnetic)
|
NB-3VL-160X |
NB-3VL-160 | NB-3VL-250 | ||||||
|
In |
T adjustable (0.85~1.0ln) |
M fixed |
In |
T adjustable (0.8-1 .Oln) |
M adjustable |
In |
T adjustable (0.8-1 .Oln) |
M adjustable |
|
20A |
16-20A |
300A |
50A |
40-50A |
300-600A |
200A |
160-200A |
1000-2000A |
|
32A |
25-32A |
300A |
63A |
50-63A |
300-600A |
250A |
200-250A |
1200-2500A |
|
40A |
32-40A |
600A |
80A |
63-80A |
400-800A | |||
|
50A |
40-50A |
600A |
100A |
80-100A |
500-1000A | |||
|
63A |
50-63A |
600A |
125A |
100-125A |
625-1250A | |||
|
80A |
63-80A |
1000A | 160A |
125-160A |
800-1600A | |||
|
100A |
80-100A |
1000A | ||||||
|
125A |
100-125A |
1000A | ||||||
|
160A |
125-160A |
1500A | ||||||
| NB-3VL-400 |
NB-3VL-630 |
||||
|
In |
T adjustable (0.8-1 .Oln) |
M adjustable |
In |
T adjustable (0.8-1 .Oln) |
M adjustable |
| 200A | 160-200A | 1000-2000A | 315A |
250-315A |
1575-3150A |
| 250A | 200-250A | 1200-2500A | 400A |
315-400A |
2000-4000A |
| 315A | 250-315A | 1575-3150A | 500A |
400-500A |
2500-5000A |
| 400A | 315-400A | 2000-4000A | 630A |
500-630A |
3250-6500A |
