美利体育登录入口官网:NF EN IEC 61558-2-13:2025
变压器、电抗器、电源装置及其组合的安全 第2-13部分:自耦变压器和一般用途自耦变压器电源装置的特殊要求和试验
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-13: Particular requirements and tests for auto-transformers and power supply units incorporating auto-transformers for general applications