• BS EN 60947-7-2 : 2009

    Current The latest, up-to-date edition.

    LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 7-2: ANCILLARY EQUIPMENT - PROTECTIVE CONDUCTOR TERMINAL BLOCKS FOR COPPER CONDUCTORS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2009

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    1 General
      1.1 Scope
      1.2 Normative references
    2 Definitions
    3 Classification
    4 Characteristics
      4.1 Summary of characteristics
      4.2 Type of protective conductor terminal block
      4.3 Rated and limiting values
          4.3.2 Short-time withstand current
          4.3.3 Standard cross-sections
          4.3.4 Rated cross-section
          4.3.5 Rated connecting capacity
    5 Product information
      5.1 Marking
      5.2 Additional information
    6 Normal service, mounting and transport conditions
    7 Constructional and performance requirements
      7.1 Constructional requirements
          7.1.1 Clamping units
          7.1.2 Connection of support
          7.1.3 Clearance and creepage distances
          7.1.4 Terminal block identification and marking
          7.1.5 Resistance to abnormal heat and fire
          7.1.6 Rated cross-section and rated connecting capacity
          7.1.7 Protective conductor mounting rails
      7.2 Performance requirements
          7.2.1 Temperature rise
          7.2.2 Dielectric properties
          7.2.3 Short-time withstand current
          7.2.4 Voltage drop
          7.2.5 Electrical performance after ageing (for
                screwless-type protective conductor terminal
                blocks only)
      7.3 Electromagnetic compatibility (EMC)
    8 Tests
      8.1 Kinds of test
      8.2 General
      8.3 Verification of mechanical characteristics
      8.4 Verification of electrical characteristics
          8.4.1 General
          8.4.3 Dielectric tests
          8.4.4 Verification of the voltage drop
          8.4.5 Temperature-rise test
          8.4.6 Short-time withstand current test
          8.4.7 Ageing test (for screwless-type terminal blocks only)
      8.5 Verification of thermal characteristics
      8.6 Verification of EMC characteristics
    Annex A (normative) - Maximum short-time withstand currents
                          allocated to the rail profile and thermal
                          rated current of a PEN busbar
    Annex ZA (normative) - Normative references to international
                           publications with their corresponding
                           European publications

    Abstract - (Show below) - (Hide below)

    Gives requirements for protective conductor terminal blocks with PE function up to 120 mm[2] (250 kcmil) and for protective conductor terminal blocks with PEN function equal to and above 10 mm[2] (AWG 8) with screw-type or screwless-type clamping units, primarily intended for industrial applications.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/17/2
    Development Note To be read in conjunction with BS EN 60947-1 and BS EN 60947-7.1 Supersedes 02/205917 DC (12/2002) Supersedes 06/30157054 DC. (08/2009)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 7671(2008) : 2018 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
    BS 7671(2008) : 2008 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60947-7-1:2009 Low-voltage switchgear and controlgear - Part 7-1: Ancillary equipment - Terminal blocks for copper conductors
    EN 60947-1:2007/A2:2014 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES (IEC 60947-1:2007/A2:2014)
    IEC 60715:2017 Dimensions of low-voltage switchgear and controlgear - Standardized mounting on rails for mechanical support of switchgear, controlgear and accessories
    IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV Low-voltage switchgear and controlgear - Part 1: General rules
    IEC 60439-1:1999+AMD1:2004 CSV Low-voltage switchgear and controlgear assemblies - Part 1: Type-tested and partially type-tested assemblies
    EN 60439-1:1999/A1:2004 LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 1 - TYPE TESTED AND PARTIALLY TYPE TESTED ASSEMBLIES
    EN 60947-7-1:2009 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 7-1: ANCILLARY EQUIPMENT - TERMINAL BLOCKS FOR COPPER CONDUCTORS
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