适用于在安全性和可靠性方面需要统一技术水平的电力装置中使用电子设备（EE）。也适用于特定产品标准未涵盖的EE。本标准规定了与低压（交流电压不超过1000 V或直流电压不超过1500 V）电源相连的EE的设计和制造、电击防护、测试及其与电力装置系统集成的最低要求。

applies to the use of electronic equipment (EE) in power installations where a uniform technical level with respect to safety and reliability is necessary. also applies to EE which are not covered by a specific product standard. it defines the minimum requirements for the design and manufacture of EE connected to low-voltage (not exceeding 1 000 V a.c. or 1 500 V d.c.) mains supplies, for protection against electric shock, for testing and its integration into systems for power installations.