KYN61-40.5 (Z) refers to an armored movable AC metal enclosed switchgear, which is an indoor complete distribution device with a three-phase AC current of 50Hz and a rated voltage of 40.5kV. As a power plant, substation, and industrial and mining enterprise that receives and distributes electrical energy, it plays a role in controlling, protecting, and detecting circuits, and can also be used in places with frequent operations.