IEC 60947-2:2016+AMD1:2019 CSV 
Consolidated version

Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

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Abstract

IEC 60947-2:2016+A1:2019 applies to circuit-breakers, the main contacts of which are intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c.; it also contains additional requirements for integrally fused circuit-breakers. This fifth edition cancels and replaces the fourth edition published in 2006, Amendment 1:2009 and Amendment 2:2013. This edition constitutes a technical revision. This edition includes the following significant additions with respect to the previous edition:
- tests for verification of selectivity in Annex A (see A.5.3);
- critical load current tests for d.c. circuit-breakers (see 8.3.9);
- new Annex P for circuit-breakers for use in photovoltaic applications;
- new Annex R for residual-current circuit-breakers with automatic reclosing functions. The contents of the corrigendum of November 2016 have been included in this copy. This consolidated version consists of the fifth edition (2016) and its amendment 1 (2019). Therefore, no need to order amendment in addition to this publication.

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Relevant for

rural electrification

LVDC


Additional information

Publication typeInternational Standard
Publication date2019-07-08
Edition5.1
Available language(s)English/French
TC/SCTC 121/SC 121A - Low-voltage switchgear and controlgearrss
ICS29.130.20 - Low voltage switchgear and controlgear
Stability date  2021
Pages1293
File size16444 KB

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