Interchangeable combined trolley, less maintenance work required, multiple types of circuit breaker available; Floor-stand type removable trolley with composite insulation technology and modularized structure; Compact design, room saving; Cubicle shell made of cold rolled steel sheet or aluminum-plated zinc sheet, which is corrosion resistance; Separate pressure relief channel in each compartment; Fast-close earthing switch which is easy for maintenance; Safe and reliable fail-safe interlock, easy for operation.

Equipped with VY series VCB of Toshiba, with advanced technology and good performance; Interchangeable combined trolley, less maintenance work required, multiple types of circuit breaker available; Floor-stand type removable trolley with composite insulation technology and modularized structure; Compact design, room saving; Cubicle shell made of cold rolled steel sheet or aluminum-plated zinc sheet, which is corrosion resistance; Separate pressure relief channel in each compartment; Fast-close earthing switch which is easy for maintenance; Safe and reliable fail-safe interlock, easy for operation.

Perfect insulation performance, small volume, SF6 filled as insulating medium; Reliable breaking capability, vacuum breaker working as arc interrupter, durable spring operating mechanism; High reliability, sealed cubicle, unaffected by outside interference or influence; Safe structural design, independent pressure relief device in each compartment to prevent influence due to internal failure; Reliable fail-safe interlocking device, with both mechanical and electric interlock; Busbar between the cabinets is connected by solid insulation bus bar, which is easy for installation; Spacious cable compartment, which is convenient for installation work.

Trolley structure, equipped with VW series single phase VCB of Toshiba; Simple and effective interlocking devices to prevent mis-operation; Main circuit adopts reliable composite insulation material.