IEC 61558-2-1:2021
Collections
International IEC standards
Publication date
April 2021
Number of pages
14 p.
Reference
IEC 61558-2-1:2021
Print number
3
IEC 61558-2-1:2021
April 2021
International standard
Current
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 deals with the safety of separating transformers for general applications and power supply units incorporating separating transformers for general applications. Transformers incorporating electronic circuits are also covered by this document.This third edition cancels and replaces the second edition published in 2007. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:a) Adjustment of structure and references in accordance with IEC 61558-1:2017;b) Description of constructions moved to IEC 61558-1:2017;c) New symbol for power supply unit with linearly regulated output voltage.It has the status of a group safety publication in accordance with IEC Guide 104.This International Standard is to be used in conjunction with IEC 61558-1:2017.
Main informations
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Sumary
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 deals with the safety of separating transformers for general applications and power supply units incorporating separating transformers for general applications. Transformers incorporating electronic circuits are also covered by this document.
This third edition cancels and replaces the second edition published in 2007. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) Adjustment of structure and references in accordance with IEC 61558-1:2017;
b) Description of constructions moved to IEC 61558-1:2017;
c) New symbol for power supply unit with linearly regulated output voltage.
It has the status of a group safety publication in accordance with IEC Guide 104.
This International Standard is to be used in conjunction with IEC 61558-1:2017.
IEC 61558-2-1:2021 deals with the safety of separating transformers for general applications and power supply units incorporating separating transformers for general applications. Transformers incorporating electronic circuits are also covered by this document.
This third edition cancels and replaces the second edition published in 2007. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) Adjustment of structure and references in accordance with IEC 61558-1:2017;
b) Description of constructions moved to IEC 61558-1:2017;
c) New symbol for power supply unit with linearly regulated output voltage.
It has the status of a group safety publication in accordance with IEC Guide 104.
This International Standard is to be used in conjunction with IEC 61558-1:2017.
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Replaced standards
(1)
IEC 61558-2-1:2007
January 2007
International standard
Cancelled
Safety of power transformers, power supplies, reactors and similar products - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications
This part of IEC 61558 deals with safety aspects of separating transformers and power supplies incorporating separating transformers such as electrical, thermal and mechanical safety. This second edition cancels and replaces the first edition published in 1997. It constitutes a technical revision. The main changes consist of updating this Part 2-1 in accordance with Part 1 edition 2, and adding power supplies to the scope. This Part 2-1 has the status of a group safety publication in accordance with IEC Guide 104.
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