FRHY1-12 indoor removable vacuum load break switch-fuse combination apparatus newly developed by HEAG, with rated voltage up to 12kV, is mainly
used in power system of 50/60 Hz,AC three phase. This product is one kind of major component in ring power network f or power supplying,has been
widely applied in power distribution system of industrial & mining enterprises,residential communities,hospitals, schools, parks and p ower substations.It is best choice for the protection of stational transformer. This product is
manufactured accordance with the relevant requirements of IEC62271-103& GB3804:3.6kV~40.5kV High-voltage alternating current load break switch as well as IEC62271-105 & GB16926:High voltage alternatin g current load break switches-combination of fuse.