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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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Page 881 of 888
Series details
Title
Year
Status
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Withdrawn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 61557-9:2025
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures. Equipment for insulation fault location in IT systems
2025
Current
BS EN IEC 61557-10:2024
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures. Combined measuring equipment for testing, measuring and monitoring of protective measures
2024
Current
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 61558-2-1:2025
Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for separating transformers and power supply units incorporating separating transformers for general applications
2025
Current
BS EN IEC 61558-2-5:2025
Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for transformers for shavers, power supply units for shavers and shaver supply units
2025
Current
BS EN IEC 61558-2-6:2025
Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers for general applications
2025
Current
BS EN IEC 61558-2-13:2025
Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for auto-transformers and power supply units incorporating auto-transformers for general applications
2025
Current
BS EN IEC 61558-2-15:2025
Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for isolating transformers for medical IT systems for the supply of medical locations
2025
Current
BS EN IEC 61558-2-16:2025
Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units for general applications
2025
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 61643-01:2025
Low-voltage surge protective devices. General Requirements and test methods (+A11:2025)
2025
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
BS EN IEC 61643-331:2020
Components for low-voltage surge protection. Performance requirements and test methods for metal oxide varistors (MOV)
2020
Current
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