IEC-60947-2 › Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
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Included in this current edition are the following subparts:
EDITION 5.0 - June 1, 2016
FOR ED. 5.0 AMENDMENT 1 - July 1, 2019
EDITION 5.1 - July 1, 2019
ED. 5.1 CORRIGENDUM 1 - Oct. 1, 2019
FOR ED. 5.0 AMENDMENT 1 - July 1, 2019
EDITION 5.1 - July 1, 2019
ED. 5.1 CORRIGENDUM 1 - Oct. 1, 2019
IEC 60947-2:2016 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.
To find similar documents by classification:
29.130.20 (Low voltage switchgear and controlgear Including switchgear and controlgear assemblies)
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Document Number
IEC 60947-2 Ed. 5.0 b:2016
Revision Level
EDITION 5.0
Status
Current
Publication Date
June 1, 2016
Committee Number
121A