Our FZW28F-12 outdoor vacuum load break switch is a maintenance free device connected to the handle and motor. It makes full use of the vacuum arc suppression device and SF6 insulating medium. In strict conformance with the IEC62271-103 and GB/T3804 standard about high voltage AC load break switch, this product, working as switchgear and controller, is capable of providing fault detection, protection for the circuit and communication performance.