I.S. EN 60947-2:2017

National Foreword
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
Annex ZA (normative) - Normative references to
         international publications with their corresponding
         European publications
Annex ZZA (informative) - Relationship between this
          European standard and the essential requirements
          of Directive 2014/30/EU [2014 OJ L96] aimed to
          be covered and the standardisation request M/552
Annex ZZB (informative) - Relationship between this
          European standard and the safety objectives of
          Directive 2014/35/EU [2014 OJ L96] aimed to
          be covered

Pertains to circuit-breakers, the main contacts of which are intended to be connected to circuits, the rated voltage of which does not exceed 1000 V a.c. or 1500 V d.c.; it also contains additional requirements for integrally fused circuit-breakers.