KYN61-40.5 (z) armored movable AC metal enclosed switchgear (hereinafter referred to as switchgear) is a complete indoor power distribution device with three-phase AC 50 Hz and rated voltage of 40.5 kV. As power plants, substations and industrial and mining enterprises to accept and distribute electricity. It can control, protect and detect the circuit. It can also be used in the place of frequent operation. The switch cabinet meets the standards of GB / t11022, GB3906 and dl404.