Low-voltage switchgear and controlgear assemblies - Power switchgear and controlgear assemblies
Low-voltage switchgear and controlgear assemblies - Power switchgear and controlgear assemblies
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BS EN 61439-2:2011 Low-voltage switchgear and controlgear assemblies. Power switchgear and controlgear assemblies The new 2012 edition of BS 61439-2 is the latest publication resulting from the continuing major restructure and renumbering of the BS EN 60439 / BS EN 61439 series, and supersedes the 2011 edition. Part 2 contains specific requirements for power switchgear and controlgear assemblies. BS EN 61439-2:2011 is relevant to all engineers who have responsibility for the design, installation, test, or certification of power distribution equipment within buildings. This can be as part of machinery, or within ships or railway vehicles. What’s changed? The major changes for the 2011 edition:
A clarified scope provides examples of the types of equipment falling within the scope of this standard, including special service conditions such as ships and railway equipment. The requirements have been revised for both withdrawable and removable parts, as well as the mechanical impact test The list of allowable loading factors (as used in testing has been improved and extended)
The listing of items subject to agreement between the assembly manufacturer and the user has been revised
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