NF-SS 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 AC50/60Hz,rated insulation 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.
Type | Pole number | Rated current(A) | Breaking capacity(KA) | |||||
AC(P1/P2) | ||||||||
240 | 380 | 415 | 500 | 600 | 660 | |||
NF30-SS | 2 | 3,5,10,15,20,30 | 5/5 | 5/2.5 | 2.5/1.5 | 2.5/1.0 | - | - |
3 | ||||||||
NF50-SS | 3 | 10,20,30,40,50 | 5/10 | 10/7.5 | 7.5/5 | 7.5/5 | 2.5/1.5 | - |
NF60-SS | 3 | 10,20,30,40,50,60 | 5/10 | 10/7.5 | 7.5/5 | 7.5/5 | 2.5/1.5 | - |
NF100-SS | 3 | 60,75,100 | 50/42 | 30/20 | 7.5/8 | 15/10 | 10/5 | 5/2.5 |
4 | ||||||||
NF250-SS | 3 | 125,150,175,200, 225,255 | 50/42 | 30/20 | 25/15 | 18/15 | 15/10 | 5/2.5 |
4 | ||||||||
NF400-SS | 3 | 250,300,350,400 | 85/60 | 50/35 | 25/20 | 35/25 | 25/18 | 15/10 |
4 | ||||||||
NF630-SS | 3 | 500,600,630 | 85/60 | 50/35 | 50/30 | 35/25 | 25/18 | 15/10 |
4 | ||||||||
NF800-SS | 3 | 600,700,800 | 85/60 | 50/35 | 50/30 | 35/25 | 25/18 | 15/10 |
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