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SN EN 60947-4-2 : 2000

Current
Current

The latest, up-to-date edition.

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

01-12-2013

INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions, symbols and abbreviations
  3.1 Definitions concerning a.c. semiconductor motor
      control devices
  3.2 EMC definitions
  3.3 Symbols and abbreviations
4 Classification
5 Characteristics of a.c. semiconductor motor controllers
  and starters
  5.1 Summary of characteristics
  5.2 Type of equipment
  5.3 Rated and limiting values for main circuits
  5.4 Utilization category
  5.5 Control circuits
  5.6 Auxiliary circuits
  5.7 Characteristics of relays and releases (overload
      relays)
  5.8 Co-ordination with short-circuit protective
      devices (SCPD)
6 Product information
  6.1 Nature of information
  6.2 Marking
  6.3 Instructions for installation, operation, and
      maintenance
7 Normal service, mounting and transport conditions
  7.1 Normal service conditions
  7.2 Conditions during transport and storage
  7.3 Mounting
  7.4 Electrical system disturbances and influences
8 Constructional and performance requirements
  8.1 Constructional requirements
  8.2 Performance requirements
  8.3 EMC requirements
9 Tests
  9.1 Kinds of tests
  9.2 Compliance with constructional requirements
  9.3 Compliance with performance requirements
Annex A (normative) Marking and identification of
        terminals
Annex B Vacant
Annex C (normative) Co-ordination at the crossover
        current between he starter and associated SCPD
Annex D (normative) Requirements for radiated emission
        testing
Annex E (informative) Method of converting CISPR 11
        radiated emission limits to transmitted power
        equivalents
Annex F (informative) Operating capability
Annex G (informative) Examples of control circuit
        configurations
Annex H (informative) Items subject to agreement between
        manufacturer and user
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
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Applicable to controllers and starters, possibly including a series mechanical switching device for connection to circuits not exceeding 1,000 V a.c, with or without bypass switching devices.

DocumentType
Standard
PublisherName
Swiss Standards
Status
Current

Standards Relationship
IEC 60947-4-2:2011 Identical
BS EN 60947-4-2:2012 Identical
DIN EN 60947-4-2 : 2013 Identical
NF EN 60947-4-2 : 2012 Identical
I.S. EN 60947-4-2:2012 Identical
EN 60947-4-2:2012 Identical
UNE-EN 60947-4-2:2013 Identical

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