K SPECIFICATION
Type |
Pole No. |
Rated insulating voltage (V) |
Rated operating voltage (V) |
Ultimate short circuit breaking capacity lcu(KA) at 380/415V |
Services short circuit breaking capacity les at 380/415V (KA) |
Operating performace |
Utiliza-tim Category | |
ON |
OFF | |||||||
NB-NS-100N |
25 |
25 |
||||||
NB-NS-100H |
70 |
70 |
1500 | 8500 | ||||
NB-NS-100L |
150 |
150 |
||||||
NB-NS-160N |
36 |
36 |
||||||
NB-NS-160H |
70 |
70 |
1000 | 7000 | ||||
NB-NS-160L |
150 |
150 |
||||||
NB-NS-250N | 3,4 |
36 |
36 |
|||||
NB-NS-250H | Pole |
70 |
70 |
1000 | 7000 | |||
NB-NS-250L |
750 |
690 and below |
150 |
150 |
A |
|||
NB-NS-400N |
45 |
45 |
||||||
NB-NS-400H |
70 |
70 |
1000 | 4000 | ||||
NB-NS-400L |
150 |
150 |
||||||
NB-NS-630N |
45 |
45 |
||||||
NB-NS-630H |
70 |
70 |
1000 | 4000 | ||||
NB-NS-630L |
150 |
450 |
||||||
NB-NS-1250N | 3 pole |
50 |
37.5 |
|||||
NB-NS-1600N |
50 |
37.5 |
1000 | 4000 |
NOTES
1.The N-pole breaker has no protection which closing and opening with the other three poles.
2.The type of thermal magnetic for FW-NS-400/630 has no four poles.