Application
NF-CW 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 800A as on-off operation, and take effect, it also can be used as unfrequent conversion of line and unfrequency.

Specifications

Type	Pole number	Rated current(A)	Circuit breaking capacity(KA)
			AC(P1/P2)
			240	380	415	500	600	660
NF30-CW	2	3,5,10,15,20,30	5/5	5/2.5	2.5/1.5	2.5/1.0	-	-
	3
NF50-CW	3	10,20,30,40,50	5/10	10/7.5	7.5/5	7.5/5	2.5/1.5	-
NF60-CW	3	10,20,30,40,50,60	5/10	10/7.5	7.5/5	7.5/5	2.5/1.5	-
NF100-CW	3	60,75,100	50/42	30/20	7.5/5	15/10	10/5	5/2.5
	4
NF250-CW	3	125,150,175,200, 225,250	50/42	30/22	25/15	18/15	15/10	5/2.5
	4
NF250-CW	3	250,300,350,400	85/60	50/35	25/20	35/25	25/18	15/10
	4
NF250-CW	3	500,600,630	85/60	50/35	50/30	35/25	25/18	15/10
	4
NF800-CW	3	600,700,800	85/60	50/35	50/30	35/25	25/18	15/10
	4