DXG( XGN)-40.5 Indoor Gas Insulated Metal-clad Switchgear (abbreviated as C-GIS) is high quality product with the technology of Korean Rijin electrical equipment industry corportaion by China Power INdustry Federation. The product is suitable in power plant, transformer substationand prefabricated substation. It is regarded as controls, accept and distribute of electric  energy which the power system of three-phase indoor AC single bus and divided single bus , rated voltage of 33-36kV .