This standard specifies the technical requirements, test methods and inspection rules for AC silicon carbide valve arresters under normal service conditions.
GB 7327-1987 history
2008GB/T 7327-2008 Silicon carbide surge arresters for a.c.systems
1987GB 7327-1987 Silicon carbide surge arresters for A.C.systems
GB 7327-1987 Silicon carbide surge arresters for A.C.systems was changed to GB/T 7327-2008 Silicon carbide surge arresters for a.c.systems.