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I.S. EN 60947-4-2:2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-2: CONTACTORS AND MOTOR-STARTERS - AC SEMICONDUCTOR MOTOR CONTROLLERS AND STARTERS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2012

Superseded date

08-03-2023

£109.21
Excluding VAT
Summarise this standard

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.

National Foreword
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
4 Classification
5 Characteristics of a.c. semiconductor motor
  controllers and starters
6 Product information
7 Normal service, mounting and transport conditions
8 Constructional and performance requirements
9 Tests
Annex A (normative) - Marking and identification
        of terminals
Annex B - Vacant
Annex C (normative) - Co-ordination at the crossover
        current between the starter and associated
        SCPD
Annex D - Vacant
Annex E - Vacant
Annex F (informative) - Operating capability
Annex G (informative) - Examples of control circuit
        configurations
Annex H - Vacant
Annex I (normative) - Modified test circuit for
        short-circuit testing of semiconductor motor
        controllers and starters
Annex J (informative) - Flowchart for constructing
        bypassed semiconductor controllers tests
Annex K (normative) - Extended functions within
        electronic overload relays
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications
Annex ZZ (informative) - Coverage of Essential
         Requirements of EU Directives

Pertains to a.c. semiconductor motor controllers and starters, which may include a series mechanical switching device, intended to be connected to circuits, the rated voltage of which does not exceed 1000 V a.c.

DevelopmentNote
Partially supersedes I.S. HD 419.2. (03/2007) NSAI reissued 2012 PDF dated 05.04.2016 with IEC Corrigenda incorporated. (06/2017)
DocumentType
Standard
Pages
214
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
NF EN 60947-4-2 : 2012 Identical
EN 60947-4-2:2012 Identical
BS EN 60947-4-2:2012 Identical
DIN EN 60947-4-2 : 2013 Identical
UNE-EN 60947-4-2:2013 Identical

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A newer version of this standard is available.

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£109.21
Excluding VAT