Redline version
All the changes between the new edition and previous edition of the publication are highlighted with track changes mode.
IEC 61558-2-12:2024 RLV
IEC 61558-2-12 Pack
IEC 61558-2-12:2024 EXV-RLV
Safety of transformers, reactors, power supply units and combination thereof - Part 2-12: Particular requirements and tests for constant voltage transformers and power supply units for constant voltage
This pack contains IEC 61558-2-12:2024 EXV and IEC 61558-2-12:2024 RLV.
IEC 61558-2-12:2024 deals with the safety of constant voltage transformers for general applications and power supply units for constant voltage for general applications. Constant voltage transformers incorporating electronic circuits are also covered by this document.
This third edition cancels and replaces the second edition published in 2011. 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.
IEC 61558-2-12:2024 deals with the safety of constant voltage transformers for general applications and power supply units for constant voltage for general applications. Constant voltage transformers incorporating electronic circuits are also covered by this document.
This third edition cancels and replaces the second edition published in 2011. 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.
CHFÂ 926.-
Redline version
All the changes between the new edition and previous edition of the publication are highlighted with track changes mode.
Discover
Extended version
Contains the references made to another standard inserted appropriately into its content and highlighted for easy identification.
DiscoverTechnical committee
TC 96 Transformers and reactorsCategory
Safety - Group Safety| Publication type | International Standard |
| Publication date | 2024-04-10 |
| Edition | 3.0 |
| ICS | 29.180 |
| Stability date | 2025 |
Ensure access to affordable, reliable, sustainable and modern energy for all
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
Make cities and human settlements inclusive, safe, resilient and sustainable