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BS EN IEC 61439-3:2024 Low-voltage switchgear and controlgear assemblies. Distribution boards intended to be operated by ordinary persons (DBO)
Publication Year
2024
Document Status
Current
Abstract
Provides requirements for distribution boards intended to be operated by ordinary persons (DBO), with the following criteria: enclosed, stationary, for indoor or outdoor use, intended for the distribution of electrical energy, switching operations and replacing fuse-links in domestic applications, outgoing circuits contain protective devices, rated voltage to earth does not exceed 300 V a.c., rated current of the outgoing circuits does not exceed 125 A and the rated current of the DBO does not exceed 250 A.
Document History
Supersedes BS EN 61439-3:2012. Identical to IEC 61439-3:2024. See information in the National foreword relating to the UK Deviation listed in Annex ZB. Amendment dated 30 September 2013 - Implementation of IEC corrigendum September 2013: Clause 11 modified. Amendment dated 31 December 2015 - Correction to Table ZB.3. Amendment dated 31 March 2019 - Implementation of IEC corrigendum March 2019.
ISBN
9780539168822
Publisher Information
British Standards Institution
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.
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