SANS 62271-201-2007 高压开关设备及控制设备.第201部分:额定电压从1千伏到52千伏包括52千伏条件下的交流绝缘封闭开关设备及控制设备
High-voltage switchgear and controlgear Part 201: AC insulation-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
Specifies requirements for factory-assembled insulation-enclosed switchgear and controlgear for alternating current of rated voltages above 1 kV and up to and including 52 kV for indoor installation and for service frequencies up to and including 60 Hz