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IEC 60947-1:2020

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

General information
Valid from 22.04.2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
22.04.2020
Main
09.09.2014
Amendment
09.09.2014
Main
30.03.2011
Main
08.12.2010
Amendment
06.06.2007
Main
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.
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