NB-NF-CS Moulded Case Circuit Breaker

Short Description:

NB- NF-CS moulded case circuit breaker is available in three ranges, standard, hi-break,. The performance of the NB- NF- CS range is the result of extensive design & developmentutilizing AAD accredited test station. The current limiting action of NB- NF-CS provides low values of let-through energy. Full information for time current characteristic curves are both available on request to provide more information.

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SPECIFICATION

Type	Number of poles	Rated current in(A)	Rated voltage Ue(V)	Short-circuit Interrupting capacity lcu/lcs(KA)
				AC
				230V	380V	400V	440V	500V
NB30-CS	3	10,15,20,25,30	AC400(380) AC690(660) DC250	5/2	5/2	5/2
NB50-CS	2,3	10,15,20,30,40,50		5/2	5/2	5/2	2.5/1	2.5/1
NB60-CS	2,3	10,15,20,30,40,50,60		5/2	5/2	5/2	2.5/1	2.5/1
NB100-CS	2,3	50,60,75,100		25/10	18/10	18/10	10/7.5	7.5/5
NB250-CS	3	125,150,175,200,225,250		25/10	18/10	18/10	15/10	10/7.5
NB400-CS	3	250,300,350,400		35/25	25/18	25/18	25/18	15/10
NB630-CS	3	500,600,630		50/35	35/25	35/18	35/25	18/10
Type	Number of poles	Rated current in(A)	Rated voltage Ue(V)	Short-circuit Interrupting capacity lcu/lcs(KA)