变压器、电抗器、电源装置及其组合的安全 第5部分：一般用途隔离变压器和内装隔离变压器的电源装置的特殊要求和试验

Safety of transformers,reactors,power supply units and combinations thereof—Part 5: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications