BS EN 60947-4-2:2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Low-voltage switchgear and controlgear Contactors and motor-starters. AC semiconductor motor controllers and starters
Hardcopy , PDF
15-03-2023
English
31-08-2012
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
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