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EVS-EN IEC 61557-1:2021+A1:2025

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 - Part 1: General requirements (IEC 61557-1:2019 + IEC 61557-1:2019/AMD1:2024)

General information

Valid from 15.01.2025
Base Documents
IEC 61557-1:2019; EN IEC 61557-1:2021; IEC 61557-1:2019/AMD1:2024; EN IEC 61557-1:2021/A1:2024
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.01.2025
Main + amendment
15.01.2025
Amendment
15.12.2021
Main
This part of IEC 61557 specifies the general requirements applicable to measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems with nominal voltages up to 1 000 V AC and 1 500 V DC.
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 relevant to each of the measurement tasks is applicable.
NOTE The term "measuring equipment" will hereafter be used to designate "testing, measuring and monitoring equipment".
Other parts of IEC 61557 can specify additional requirements or deviations.
This document does not cover functional safety or cybersecurity.

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