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Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 9- Equipment for insulation fault location in IT systems. IEC 61557-9:2023-12(en-fr). Original standard IEC 61557-9-2023 in PDF full version. Additional info + preview on request
Document status: Active
Safety of transformers, reactors, power supply units and combinations thereof - Part 1- General requirements and tests. IEC 61558-1:2017-09(en-fr). Original standard IEC 61558-1-2017 in PDF full version. Additional info + preview on request
Document status: Active
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-1- Particular requirements and tests for separating transformers and power supply units incorporating separating transformers for general applications. IEC 61558-2-1:2021-04(en). Original standard IEC 61558-2-1-2021 in PDF full version. Additional info + preview on request
Document status: Active
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-10- Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V. IEC 61558-2-10:2024-06(en-fr). Original standard IEC 61558-2-10-2024 in PDF full version. Additional info + preview on request
Document status: Active
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12- Particular requirements and tests for constant voltage transformers and power supply units for constant voltage. IEC 61558-2-12:2024-04(en-fr). Original standard IEC 61558-2-12-2024 in PDF full version. Additional info + preview on request
Document status: Active
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. IEC 61558-2-13:2022-10(en-fr). Original standard IEC 61558-2-13-2022 in PDF full version. Additional info + preview on request
Document status: Active