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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Series details
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Title
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Year
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Status
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BS EN 61557-7:1997
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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 Phase sequence (Withdrawn)
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1997
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Withdrawn
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BS EN 61557-7:2007
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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 Phase sequence (Withdrawn)
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2007
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Withdrawn
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BS EN 61557-7:2022
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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 (+A1:2023)
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2022
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Current
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BS EN 61557-8:1997
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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. Insulation monitoring devices for IT systems (Withdrawn)
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1997
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Withdrawn
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BS EN 61557-8:2007
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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. Insulation monitoring devices for IT systems (Withdrawn)
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2007
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Withdrawn
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BS EN 61557-8:2015
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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. Insulation monitoring devices for IT systems (IEC 61557-8:2014) (incorporating corrigendum May 2016)
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2015
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Current
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BS EN 61557-8:2015
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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. Insulation monitoring devices for IT systems
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2015
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Withdrawn
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BS EN 61557-9:2000
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Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV d.c. - Equipment for testing, measuring or monitoring of protective measures. Equipment for insulation fault location in IT systems (Withdrawn)
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2000
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Withdrawn
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BS EN 61557-9:2009
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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. Equipment for insulation fault location in IT systems (Withdrawn)
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2009
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Withdrawn
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BS EN 61557-9:2015
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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. Equipment for insulation fault location in IT systems (IEC 61557-9:2014) (Incorporating corrigendum January 2017) (withdrawn)
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2015
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Withdrawn
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BS EN 61557-9:2015
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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. Equipment for insulation fault location in IT systems
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2015
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Withdrawn
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BS EN 61557-10:2001
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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. Combined measuring equipment for testing, measuring or monitoring of protective measures (Withdrawn)
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2001
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Withdrawn
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BS EN 61557-10:2013
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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. Combined measuring equipment for testing, measuring or monitoring of protective measures
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2013
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Replaced, remains current
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BS EN 61557-15:2014
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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. Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems
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2014
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Current
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BS EN 61558-1:1998
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Safety of power transformers, power supply units and similar. General requirements and tests (AMD 10136) (AMD 15086) (Withdrawn)
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1998
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Withdrawn
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BS EN 61558-1:2005
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Safety of power transformers, power supplies, reactors and similar products. General requirements and tests (+ AMD 16909)
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2005
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Withdrawn
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BS EN 61558-1:2005
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Safety of power transformers, power supplies, reactors and similar products. General requirements and tests (+ AMD 16909, AMD September 2009) (Withdrawn)
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2005
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Withdrawn
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BS EN 61558-2-1:1998
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Safety of power transformers, power supply units and similar. Particular requirements for separating transformers for general use (AMD 10138) (Withdrawn)
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1998
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Withdrawn
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BS EN 61558-2-1:2007
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Safety of power transformers, power supplies, reactors and similar products. Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications
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2007
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Replaced, remains current
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BS EN 61558-2-2:1998
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Safety of power transformers, power supply units and similar. Particular requirements for control transformers (AMD 10139) (AMD 15087) (Withdrawn)
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1998
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Withdrawn
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