| Application | | 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 unfrequent conversion of line and unfrequency. | | â–²Tripping characteristics | | Type | Pole number | Rated current(A) | Rated 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 | 7.5/5 | 7.5/5 | 10/5 | 5/2.5 | | 4 | | NF250-SS | 3 | 125,150,175,200, 225,250 | 50/42 | 30/22 | 25/15 | 25/15 | 15/10 | 5/2.5 | | 4 | | NF400-SS | 3 | 250,300,350,400 | 85/60 | 50/35 | 25/20 | 25/20 | 25/18 | 15/10 | | 4 | | NF630-SS | 3 | 500,600,630 | 85/60 | 50/35 | 50/30 | 50/30 | 25/18 | 15/10 | | 4 | | NF800-SS | 3 | 600,700,800 | 85/60 | 50/35 | 50/30 | 50/30 | 25/18 | 15/10 | | 4 |
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