Document Status
Current
Supplement
Mechanical & Electrical Supplement
Series
BS EN
Abstract
Gives requirements for assemblies for which the rated voltage does not exceed 1 000 V in case of a.c. or 1 500 V in case of d.c. Where the nominal primary voltage and the nominal secondary voltage of transformers incorporated in ACS are within the limits specified above. Assemblies intended for use on construction sites, both indoors and outdoors. Also for transportable (semi-fixed) or mobile assemblies with enclosure.
History
Supersedes BS EN 60439-4:2004.
Also known as IEC 61439-4:2012.
ISBN
9780580710650
Subjects
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Electrical services
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Switchgear, fuses
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Building services
Publisher History
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
Information
NBS
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
Accuris
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