FN3,5,7,12;FZN21,25;FKN12A,FKRN12系列户内真空负荷开关
GN19-12,GN30-12,GNF38-12系列户内高压隔离开关
GW9,5,4,1;GWR1,HGW9,HTDW2系列户外高压隔离开关