I had the opportunity to share and discuss with about the birth of the IEC61439 series. The evolution never stop and since 2020 May, the edition 3 of the IEC61439-1 (general rules) has been published. But because this standard has no secret for you, …View more
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Question from Zisis Tsiatsikas: 1) Is the standard applicable to small electric panels, e.g. for domestic use?The IEC 61439 series is divided into several parts. One part, the part 3 is dedicated to application to ordinary people. The scope of this s…View more
Question from Alvin, Is it logical or allowed to install thermal monitoring into the busbar compartment? does it affect the type test?
Question from Conrad: Is the rated diversity factor applicable for sizing the main horizontal busbar?
Question from Georgios Andreadis: So, we have the right to request verification tests of our specified assembly from the panel builder for every project, before site installation?
Question from from RED - ncabudoy:Is the form of separation part of the new IEC 61439?
Question from Eduard Regarding Polipact unit for NSX CBs. There is Icc mentioned in Prisma catalog 85kA - does it mean we can connect this unit to the main busbars with Icw 85kA?
Question from RED - ncabudoy:As the creepage distance is ensured, busbar insulation will only be an option?
Question from Conrad, How does IEC61439 address an assembly for outdoor application i.e. IP2X in outdoor enclosure.
Question from Daniel Deveze In the Webinar presentation, there is an information to the change to the maximum rating current to an assembly, to perform an insulation resistance to routine test. Can you explain more?
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2021-04-08 03:44 AM