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Standard

IEC 60947-1:2020 ED6

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Abstract

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.

Document information

  • Standard from IEC
  • Published:
  • Edition: 6
  • Version: 1
  • Document type: IS
  • Pages
  • ICS 29.130.20
  • ISO TC TC 121/SC 121A

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