IEC 60947-3:2020

Title
Abstract

IEC 60947-3:2020 applies to switches, disconnectors, switch-disconnectors and fuse-combination units and their dedicated accessories to be used in distribution circuits and motor circuits of which the rated voltage does not exceed 1 000 V AC or 1 500 V DC.
This fourth edition cancels and replaces the third edition published in 2008, Amendment 1:2012 and Amendment 2:2015. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:

  • addition of critical load current tests for DC switches (see 9.3.9);
  • addition of requirements for a conditional short-circuit rating for disconnectors, switches, and switch-disconnectors protected by circuit-breakers (see 9.3.7.2);
  • addition of new categories for high-efficiency motors switching (see Annex A);
  • addition of new Annex E for connection to aluminium conductors;
  • addition of new Annex F for power losses measurement.
The contents of the corrigendum of October 2021 have been included in this copy.

Issue Date

2020-04-22

Category

POW

Included in IECEE System

2020-05-14

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DISCLAIMER: National differences

The National differences and Group differences, National Deviations and Special National conditions (SNC), are based solely on information provided to the Secretariat by the IECEE Member Bodies and/or NCBs and other sources. The IEC/IECEE is not responsible for, nor will it take any position related to, the accuracy or validity of the information provided. To verify the current status of this type of information, we recommend contacting the Member Body (MB) or National Certification Body (NCB) of the relevant country.

Group Differences are applicable for CENELEC member countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

Group/Country

Reference

Last Modified

Differences

TRF Addendum

AustraliaAustralia

2023-11-23

Download104 kb

AustraliaAustralia

2023-12-05

Download383 kb

AustraliaAustralia

2023-11-23

Download858 kb

Laboratory Name

City

Country

Responsible National Certification Body

Wien

Austria

Lublin

Poland

Vienna

Austria

Arnhem

Netherlands

Wenzhou, Zhejiang

China

Troja, 182 00 Praha 8

Czech Republic

Zamudio-Bizkaia

Spain

Fujian

China

Dongguan City,

China

Xiangtan City

China

Milano

Italy

Rezzato

Italy

Berlin

Germany

Bonn

Germany

Kista

Sweden

Shanghai

China

Fontenay-Aux-Roses

France

NL-7559 SC Hengelo

Netherlands

Liège

Belgium

Helsinki

Finland

Shandong

China

Shanghai

China

Wuzhong District

China

Tianjin

China

Budapest

Hungary

Whitefield

India

Ruian City

China

Wenzhou

China

Jiaxing

China

Jiaxing City

China

Hangzhou

China

Id

Name

City

Country

47408

Bergamo

Italy

13363

Warszawa

Poland

13338

Beijing 100070

China

13360

Arnhem

Netherlands

13339

Troja, 182 00 Praha 8

Czech Republic

27108

Guangdong

China

13351

Milano

Italy

13371

Kista

Sweden

13343

Fontenay-Aux-Roses

France

13332

Vienna

Austria

13334

BRUSSELS 1070

Belgium

13342

Helsinki

Finland

13349

Budapest

Hungary

13427

Singapore 609937

Singapore

13340

Ballerup

Denmark

13344

Offenbach / Main

Germany