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IEC 60947-1 Ed. 6.0 b:2020

Low-voltage switchgear and controlgear - Part 1: General rules
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IEC 60947-1 Ed. 6.0 b:2020

Low-voltage switchgear and controlgear - Part 1: General rules

PUBLISH DATE 2020
PAGES 582
IEC 60947-1 Ed. 6.0 b: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.
SDO IEC: International Electrotechnical Commission
Document Number IEC 60947
Publication Date April 1, 2020
Language b - English & French
Page Count
Revision Level 6.0
Supercedes
Committee 121A
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