KYN61-40.5(Z) series intelligent shield movable AC mental-enclosed switchgear is the new generation switchgear developed by Hunan Changgao High Voltage Switchgear Group Co., Ltd. for adapting to the national intelligent grid construction. The cabinet is the indoor complete distribution equipment at rated voltage of 40.5kV and 50Hz AC three-phase. It can be used for power plant, substation and mining industry to control, protection and testing etc. The switchgear meets with the standards: GB/T11022-1999, GB3906 and DL/T404-2007 etc. And it is installed with GVSQ1-12~24kV series fully enclosed and insulated all working condition of intelligent solid insulating vacuum circuit breaker, and the equipment can safe operate even in extremely environment.