BS EN IEC 61557-1:2021 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. General requirements (+A1:2024)
Publication Year
2021
Document Status
Current
Abstract
Provides general requirements which apply to measuring and monitoring equipment for testing electrical safety in low-voltage distribution systems.
Document History
Supersedes BS EN IEC 61557-1:2021 which remains current. Amendment dated 31 January 2025 - Implementation of IEC amendment 1:2024 with CENELEC endorsement A1:2024. See National foreword for contractual and legal considerations.
ISBN
9780539293555
Publisher Information
British Standards Institution
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