NF-SS Moulded case circuit breaker NF250-SS 3P

NF-SS Moulded case circuit breaker NF250-SS 3P

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.

Specifications

Type Polenumber 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-CS 3 60,70,100 50/42 30/20 7.5/5 15/10 10/5 5/2.5 4 NF250-SS 3 125,150,175,200,225,250 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