BS EN 61557-1:2007
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

Standard No.

BS EN 61557-1:2007

Release Date

2007

Published By

British Standards Institution (BSI)

Latest

BS EN 61557-1:2007

Replace

04/30125174 DC-2004 BS EN 61557-1:1997

Scope

This part of IEC 61557 specifies the general requirements for measuring and monitoring equipment for testing the electrical safety in low voltage distribution systems with nominal voltages up to 1 000 V a.c. and 1 500 V d.c. When measuring equipment or measuring installations involve measurement tasks of various measuring equipment covered by this series of standards, then the part of this series of standards relevant to each of the measurement tasks is applicable.

BS EN 61557-1:2007 Referenced Document

• IEC 60664-1 IEC 60664-1-cor1{ed3.0}b*， 2024-04-18 Update
• IEC 61557-2 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 - Part 2: Insulation resistance*， 2019-07-26 Update
• IEC 61557-3 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 - Part 3: Loop impedance*， 2019-07-26 Update
• IEC 61557-4 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 - Part 4: Resistance of earth connection a*， 2019-07-26 Update
• IEC 61557-5 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 - Part 5: Resistance to earth*， 2019-07-26 Update
• IEC 61557-6 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 - Part 6: Effectiveness of residual curren*， 2019-07-26 Update
• IEC 61557-7 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 - Part 7: Phase sequence
• IEC 61557-8 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 - Part 8: Insulation monitoring devices for IT systems (Edition 3.0)*， 2016-05-01 Update

BS EN 61557-1:2007 history

• 2007 BS EN 61557-1:2007 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
• 1997 BS EN 61557-1:1997 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