Product outgoing line adopts insulator cable casting outgoing line. Its mechanism design is in fully-closed structure with performances of moisture proof and condensation proof.@#Switch enclosure adopts stainless steel processed in spraying plastics, which is of sound corrosion resistance.@#Its structure design is reasonable, convenient in installation and flexible in manual/automatic operation.@#It adopts vacuum arc extinguishing and SF6 external insulation, which is sound in interrupting performance.@#It is able to be equipped with distribution terminal, realizing remote control functions and feeder automation.@#