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IEC 60947-1

IEC 60947-1:2020
Low-voltage switchgear and controlgear - Part 1: General rules
IEC 60947-1:2020 applies, when required by the relevant product standard, to low-voltage switchgear and controlgear hereinafter referred to as "equipment" or “device” and intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC.
This document states the general rules and common safety requirements for low-voltage switchgear and controlgear, including:
- definitions;
- characteristics;
- information supplied with the equipment;
- normal service, mounting and transport conditions, decommissioning and dismantling;
- constructional and performance requirements;
- verification of characteristics and performance;
- energy efficiency aspects (see Annex V);
- environmental aspects.
This sixth edition cancels and replaces the fifth edition published in 2007, Amendment 1:2010 and Amendment 2:2014. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
– DC values testing improvement;
– update of EMC tests;
– Annex B deletion;
– update of requirements for environmental tests (Table Q.1);
– improvement of Annex R (new examples);
– deletion of digital input Type 2, and introduction of Type 3 in Annex S;
– example for materials declaration (Annex W);
– new Annex X (co-ordination between short-circuit protective devices associated in the same circuit) created.
The contents of the corrigendum of December 2022 and April 2024 have been included in this copy.
BASE PUBLICATION
Electronic

Technical committee

TC 121/SC 121A Low-voltage switchgear and controlgear

Category

Electromagnetic Compatibility - Environment - Quality Assurance - Safety
Publication typeInternational Standard
Publication date2020-04-22
Edition6.0
ICS

29.130.20

Stability date2025
ISBN number9782832280263
Pages577
File size12.46 MB
EditionDatePublicationEditionStatus
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