FDXGN13 switch cabinet is modular design, and increase the function of switch, in the premise of saving space on the collection of air insulation technology and gas insulation switch advantages. Main features include alternate with tandem, top fixed bus, air insulated busbar and cable connection, low maintenance, stainless steel sealed three position switch, a connection for the air insulation, and arcing in the small room of gas insulated, located in the back of the pressure relief devices, air insulation cable connection system can be installed more economic regular head termination equipment. It can meet all kinds of requirements for medium voltage switch, such as personal safety, operation reliability and reusability.