Technological Innovation

What is BS EN 61439-4:2013?

BS EN 61439-4:2013 is a technical standard that defines the specific requirements for low-voltage switchgear and controlgear assemblies. It provides guidelines for the design, manufacturing, testing, and performance of these electrical systems. This standard ensures the safety and reliability of such assemblies, setting out the necessary criteria for their construction and operation.

Importance of BS EN 61439-4:2013

The implementation of BS EN 61439-4:2013 is crucial as it guarantees the compliance of low-voltage switchgear and controlgear assemblies with international standards. Adhering to this standard ensures the safe operation of electrical equipment, reducing the risk of accidents, malfunctions, or damage caused by faulty assemblies. By following BS EN 61439-4:2013, manufacturers can achieve consistent quality and reliability in their products, giving consumers confidence in the safety and performance of the electrical systems they use.

Main Requirements of BS EN 61439-4:2013

BS EN 61439-4:2013 outlines several key requirements for low-voltage switchgear and controlgear assemblies. These include:

Verification of design and construction

Protection against electric shock, mechanical hazards, and thermal effects

Clear marking and labeling of the assembly

Compliance with relevant environmental conditions

Inspection and routine verification measures

Testing procedures and performance assessments

By meeting these requirements, manufacturers can ensure that their electrical assemblies are fit for purpose and provide the necessary protection for both users and the equipment itself.


BS EN 61439-4:2013 is a vital standard within the electrical industry, providing essential guidelines for the design and construction of low-voltage switchgear and controlgear assemblies. By adhering to this standard, manufacturers can guarantee the safety, reliability, and performance of their products, ultimately contributing to a safer working and living environment for all.


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