NFseries if moulded case circuit breaker is one of our new type prodcuts developed and manufactured by adopting international advanced technology.It is supplied with reted insulating voltage 800V and used for circuit of A.C.50Hz,rated iperating voltage AC 400V.(or below),rated operating current for over-current,short circit and undervoltage,the products are capable of preventing damage of circuits and supply units.The products conforms to GB14048.2,IEC60947-2 stardands.