XGN66A-12 Box Type (Fixed Type) Alternative Current Metal Clad Switchgear is a latestversion of high voltage complete set of electric apparatus for satisfyingnational Standard GB3906 35kV alternative current metal Clad switchgear andspecifications of DL404 indoor alternative current high voltage switchgear orderingspecifications issued by Ministry of Electricity Power,as well as IEC298 above1kV to 52kV alternative current metal-Clad switchear and control switchgearspecifications And it has 5- protective functions This switchgear is a kind of the indoor complete set apparatuswith 3-10kV three phase alternative current 50HZ single busbar segment usedfor power transmission and distribution,and meanwhile having controlling protectingand monitoring functions.It is used in places such as power plants,substations.industrial and mining enterprises,high buldings,etc.