I.S. EN 60947-2:2017&A1:2020
Current
The latest, up-to-date edition.
Low-voltage switchgear and controlgear - Part 2: Circuitbreakers (IEC 60947-2:2016/A1:2019)
Hardcopy , PDF
English - French
24-02-2020
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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FOREWORD
1 General
2 Terms and definitions
3 Classification
4 Characteristics of circuit-breakers
5 Product information
6 Normal service, mounting and transport conditions
7 Constructional and performance requirements
8 Tests
Annex A (normative) Co-ordination between a circuit-breaker and another short-circuit protective device associated in the same circuit
Annex B (normative) Circuit-breakers incorporating residual current protection
Annex C (normative) Individual pole short-circuit test sequence
Annex D Vacant
Annex E (informative) Items subject to agreement between manufacturer and user
Annex F (normative) Additional tests for circuit-breakers with electronic over-current protection
Annex G (normative) Power loss
Annex H (normative) Test sequence for circuit-breakers for IT systems
Annex J (normative) Electromagnetic compatibility (EMC) – Requirements and test methods for circuit-breakers
Annex K (informative) Glossary of symbols and graphical representation of characteristics
Annex L (normative) Circuit-breakers not fulfilling the requirements for overcurrent protection
Annex M (normative) Modular residual current devices (without integral current breaking device)
Annex N (normative) Electromagnetic compatibility (EMC) – Additional requirements and test methods for devices not covered by Annex B, Annex F and Annex M
Annex O (normative) Instantaneous trip circuit-breakers (ICB)
Annex P (normative) DC circuit-breakers for use in photovoltaic (PV) applications
Annex Q Vacant
Annex R (normative) Circuit-breakers incorporating residual current protection with automatic re-closing functions
Bibliography
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