It applies to the distributive net with AC50Hz (60Hz), rated working voltage 380V (400V), 660(690V), rated current 400A-6300A and be used to distribute electricity and protect circuit and power supply from the danger of overload, under voltge, single-phase. This type of circuit beaker is with the function of intelligent protection, precise selective protection and avoid unnecessary power stop. It equips with open and communicative interface and control in other place so as to satisfy the requirement of controlling center and automatic system. This type of circuit breaker bear voltage 8000V in the altitude of 2000M (different altitude applies to different standard, at most 12000V).

Product meets the standard GB14048.2ntrolling equipment low voltage circuit breaker> and IEC60947-2ntrolling equipment circuit breaker>, etc.