Other tools NBS offers a range of tools for specification and collaboration National BIM Library The most trusted BIM Library in the UK, certified to the internationally-recognised NBS BIM Object Standard Uniclass 2015 A dynamic and unified classification system for the construction industry covering all sectors Construction Information Service (CIS) A comprehensive online collection of construction related standards, regulations, technical advice and articles Plug-ins NBS provides a range of tools to help connect your CAD model to your specification model
Platform Resources Support Events About TheNBS.com Manufacturers Uniclass 2015 Get in touch

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

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.

389 Chiswick High Road
London
BSI
UK

Documents by this publisher

Page 864 of 870

Series details Title Year Status
BS EN IEC 61439-1:2021 Low-voltage switchgear and controlgear assemblies. General rules (Incorporating corrigendum December 2021) 2021 Current
BS EN IEC 61439-1:2021 Low-voltage switchgear and controlgear assemblies. General rules (Withdrawn) 2021 Withdrawn
BS EN IEC 61439-2:2021 Low-voltage switchgear and controlgear assemblies. Power switchgear and controlgear assemblies 2021 Current
BS EN IEC 61439-5:2023 Low-voltage switchgear and controlgear assemblies. Assemblies for power distribution in public networks 2023 Current
BS EN IEC 61439-7:2020 Low-voltage switchgear and controlgear assemblies. Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations (incorporating corrigendum August 2019) (Superseded but remains current) 2020 Replaced, remains current
BS EN IEC 61439-7:2023 Low-voltage switchgear and controlgear assemblies. Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations 2023 Current
BS EN IEC 61535:2019 Installation couplers intended for permanent connection in fixed installations 2019 Replaced, remains current
BS EN IEC 61535:2024 Installation couplers intended for permanent connection in fixed installations 2024 Current
BS EN IEC 61543:2023 Residual current-operated protective devices (RCDs) for household and similar use - electromagnetic compatibility (+A11:2023) 2023 Current
BS EN IEC 61557-1:2021 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - equipment for testing, measuring or monitoring of protective measures. General requirements 2021 Current
BS EN IEC 61557-2:2021 Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC - equipment for testing, measuring or monitoring of protective measures. Insulation resistance 2021 Current
BS EN IEC 61557-3:2022 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - equipment for testing, measuring or monitoring of protective measures. Loop impedance 2022 Current
BS EN IEC 61557-4:2021 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - equipment for testing, measuring or monitoring of protective measures. Resistance of earth connection and equipotential bonding 2021 Current
BS EN IEC 61557-5:2021 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Resistance to earth 2021 Current
BS EN IEC 61557-6:2021 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - equipment for testing, measuring or monitoring of protective measures. Effectiveness of residual current devices (RCD) in TT, TN and IT systems 2021 Current
BS EN IEC 61557-7:2022 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Phase sequence 2022 Withdrawn
BS EN IEC 61558-1:2019 Safety of transformers, reactors, power supply units and combinations thereof. General requirements and tests 2019 Current
BS EN IEC 61591:2020 Cooking fume extractors - methods for measuring performance (+A11:2020) (withdrawn) 2020 Withdrawn
BS EN IEC 61591:2023 Cooking fume extractors - methods for measuring performance 2023 Current
BS EN IEC 61643-331:2018 Components for low-voltage surge protective devices. Performance requirements and test methods for metal oxide varistors (MOV) (IEC 61643-331:2017) (Withdrawn) 2018 Withdrawn

Page 864 of 870