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BS EN 50171:2021 Central safety power supply systems (Incorporating corrigendum May 2022)
Publication Year
2021
Document Status
Current
Abstract
Gives general requirements for central power supply systems for an independent energy supply to essential safety equipment. Covers systems permanently connected to a.c. supply voltages not exceeding 1,000V and that use batteries as the alternative power source.
Document History
Corrigendum 31 May 2022 Correction to supersession details in national foreword. Supersedes BS EN 50171:2001
ISBN
9780539220193
Publisher Information
British Standards Institution
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