标准号：IEC 61558-2-4:2021 RLV
发布日期：2021-05-18
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications
变压器、电抗器、电源装置及其组合的安全 - 第2-4部分：一般用途隔离变压器和包含隔离变压器的电源装置的特殊要求和试验
