Technological Innovation

What is IEC 61969-2:2018?

The International Electrotechnical Commission (IEC) creates and publishes international standards for the electrical industry to ensure safety, efficiency, and interoperability. One of these standards is IEC 61969-2:2018, which focuses on components for low-voltage distribution systems. In this article, we will explore the purpose and key aspects of this standard.

Scope and Objectives

The scope of IEC 61969-2:2018 includes various components used in low-voltage distribution systems, such as switchgear, control gear, transformers, and more. The primary objective of this standard is to provide guidelines for the selection, design, installation, operation, and maintenance of these components, ensuring consistency and reliability in their performance.

By following the guidelines set by IEC 61969-2:2018, manufacturers and users of low-voltage distribution systems can enhance the overall safety and efficiency of their installations. This standard also promotes compatibility and interchangeability of components from different manufacturers, facilitating seamless integration of equipment in a variety of applications.

Key Features

IEC 61969-2:2018 emphasizes various technical aspects that contribute to the performance and usability of low-voltage distribution components. Some of the key features covered by this standard include:

Design Requirements: The standard provides guidelines for the design of components, taking into account factors like thermal effects, voltage stresses, mechanical strength, electromagnetic compatibility, and environmental conditions.

Testing and Performance: IEC 61969-2:2018 outlines specific tests and performance criteria to ensure that components meet the necessary quality and safety requirements. These tests may cover aspects like dielectric properties, short circuit performance, and temperature rise.

Installation and Maintenance: The standard offers recommendations for the proper installation and maintenance of low-voltage distribution components, including aspects such as spacing, clearances, ventilation, and periodic inspections.

Documentation and Marking: To facilitate traceability and identification, IEC 61969-2:2018 specifies requirements for documentation and marking, ensuring that important information, such as product specifications and ratings, is readily available to users.


IEC 61969-2:2018 plays a crucial role in establishing common standards and best practices for low-voltage distribution systems. By adhering to this international standard, manufacturers can improve the quality and reliability of their components, and users can ensure the safe and efficient operation of their installations.

It is important for industry professionals and stakeholders to stay updated with the latest versions of standards like IEC 61969-2:2018 to keep pace with technological advancements and evolving safety requirements in the electrical industry.


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