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Almost a year ago, in May 2020 the 3rd edition of the IEC 61439-1/-2 was published. This new standard for low voltage switchgear assemblies is in many areas backwards compatible with the previous edition from 2011. This implies that from a testing perspective, tests performed according the 2nd edition are generally compliant with the 3rd edition.
The new edition of the standard introduces several new areas which are becoming more and more important due to developments in the market:
Besides the new areas, the new edition has introduced additional options to verify compliance with the standard to cover specific environmental conditions and specific product designs:
Even though there are many improvements and refinements in this edition, due to the backwards compatibility, the tests performed according the previous edition are generally compliant with the requirements of edition 3. But to give a final verdict on the compliance, a test house needs to analyse the consequences of the new standard with respect to the product tested.
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