IEC 62271的本部分适用于为以下目的设计的预制金属封闭开关设备和控制设备组件: -交流电；-额定电压大于1kV，小于等于52kV；－服务频率不超过60 Hz；——室内外安装。 该组件可包括空气绝缘和/或充液隔间。 对于安装在金属封闭开关设备和控制设备中的部件，本文件在某些情况下补充甚至取代了单个产品标准中规定的要求。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This part of IEC 62271 is applicable to prefabricated metal-enclosed switchgear and controlgear assemblies designed for: – alternating current;– rated voltages above 1 kV and up to and including 52 kV;– service frequencies up to and including 60 Hz;– indoor and outdoor installation. The assembly can include air-insulated and/or fluid-filled compartments. For components installed in a metal-enclosed switchgear and controlgear, this document supplements or even replaces in some cases, the requirements as stated by the individual product standards.All current amendments available at time of purchase are included with the purchase of this document.