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IEC 60947-4-3 : 2.0

IEC 60947-4-3 : 2.0

LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-3: CONTACTORS AND MOTOR-STARTERS - AC SEMICONDUCTOR CONTROLLERS AND CONTACTORS FOR NON-MOTOR LOADS

International Electrotechnical Committee

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Table of Contents

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, symbols and
  abbreviations
4 Classification
5 Characteristics of a.c. semiconductor controllers
  and contactors
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 (informative) - Typical service conditions for
        controllers and contactors
Annex C Vacant
Annex D Vacant
Annex E Vacant
Annex F (informative) - Operating capability
Annex G Vacant
Annex H Vacant
Annex I (normative) - Modified test circuit for
        short-circuit testing of semiconductor
        contactors and controllers
Annex J (informative) - Flowchart for constructing
        bypassed semiconductor controllers tests
Bibliography

Abstract

Pertains to a.c. semiconductor non-motor load controllers and contactors intended for performing electrical operations by changing the state of a.c. electric circuits between the ON-state and the OFF-state.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 17

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