KYN61-40.5(Z) style Armored shift type AC metal closed switchgear (hereinafter referred to as "switchgear") It is suitable for three-phase AC 50Hz power system, used for power plants, substations and industrial and mining enterprises of the distribution room to accept and distribute electrical energy, and the circuit control, protection and monitoring. This product conforms to the standards: GB3906 "3~35kV AC metal enclosed switchgear",GB/T11022 "High voltage switchgear and control equipment standard common technical requirements", IEC60298 "rated voltage above 1kV and below 50kV AC metal enclosed switchgear and control equipment".