Answer to a question asked by Joy in another post, which I copied here :
“Does the new standard , require the panel builder to supply only ,the same branded circuit breakers ,which were used on the type tested assembly in their client panels ?
Is so , doesn’t it limit the available options for the panel builder as he will be restricted with only one brand of circuit breakers for all his future projects?” (more…)
The articles I already wrote about the new IEC61439-2 standard for LV switchboards are among the most visited parts of my blog. But I still wonder what are the practical impacts of this new standard for you, in your country, and today? (more…)
Last week I met Jean-Paul Lionet, a member of IEC technical committee who participates to the evolution of Low Voltage Switchgear & Control Gear Assemblies standards. Below is the summary he prepared for me. Don’t hesitate to add your comments or questions !
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The IEC 60439-X standards cover all Low Voltage switchgear and controlgear assemblies, i.e. all kind of switchboards and busbar trunking systems. Intended to ensure safety and power availability, they have a long track record of well proven and widely recognized tools, both for design and verification rules and as a reference for certification.
They are now evolving towards a new IEC 61439-X series, aiming to better cover all Assemblies and ensure that the specified performances are achieved.
1 – Recognition is made of the evolution of the organization of the industry, between Original Manufacturer and Assembly Manufacturer :
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