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APPLICATION |
| NF series moulded case circuit breaker is a kind of economic breaker, has the features as following, such as steady and reliable property, reasonable structure, beautiful style, small volume etc., this breaker applies to the circuit with AC 50/60Hz, rated insulating voltage 660V, max. Rated current 1250A as on-off operation, and take effect, it also can be used as unfrequented conversion of line and infrequency. |
| SPECIFICATION |
|
Type |
NF30-CS |
NF50-CS/SS |
NF60-CS/SS |
NF100-CS/SS |
NF250-CS/SS |
NF400-CS/SS |
NF630-CS/SS |
NF800-CS/SS |
NF1250-CS/SS |
|
Rated current of frame(A) |
30 |
50 |
60 |
100 |
250 |
400 |
630 |
800 |
1250 |
|
Rated current (40℃) |
3,5,10,
15,20,30 |
10,15,20,
30,40,50 |
60 |
60,70,100 |
125,150,175,
200,225,250 |
250,300,
350,400 |
500,600,630 |
600,700,800 |
800,1000,
1200,1250 |
|
Rated insulation voltage (V) |
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|
|
|
600 |
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Rated ultimate short circuit breaking capacity (KA) |
1.5 |
5/10 |
5/10 |
18/25 |
18/35 |
25/50 |
35 |
35 |
85 |
|
Pole Number (P) |
3 |
2.3 |
3 |
2.3 |
3 |
3 |
3 |
3 |
3 |
|
a |
67.5 |
75 |
75 |
60,90 |
105 |
140 |
210 |
210 |
210 |
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b |
96 |
130 |
130 |
155 |
165 |
276 |
275 |
275 |
406 |
|
c |
52 |
68 |
68 |
68 |
68 |
103 |
103 |
103 |
140 |
|
d |
67 |
86 |
86 |
86 |
86 |
155 |
155 |
155 |
190 | |
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