This Standard deals with safety aspects of power transformers, power supplies, reactors and similar products such as electrical, thermal and mechanical safety. This standard covers the following types of dry-type transformers, power supplies, including switch mode power supplies, and reactors, the windings of which may be encapsulated or non-encapsulated It has the status of a group safety publication in accordance with IEC Guide 104.
DS/EN 61558-1/A1:2009 history
2009DS/EN 61558-1/A1:2009 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests
2006DS/EN 61558-1:2006 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests