Reference details
- Reference
- EN IEC 61558-2-4:2025
- Official title
- 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
- Organisation
- CENELEC
- Publisher status in source
- PublishedThis is the status recorded in the source, not a statement that this is the latest edition.
- Source access
- 19 October 2026
Research and application
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Product research routes
- Electrical components and installation systems
Component ratings and installation conditions that determine how evidence can be used in a finished assembly.
Questions for the evidence file
- Rating schedule
- Material and insulation data
- Installation conditions
- Assembly verification
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Legal citation
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