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  • BS EN 61558-2-4 : 2009

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    SAFETY OF TRANSFORMERS, REACTORS, POWER SUPPLY UNITS AND SIMILAR PRODUCTS FOR SUPPLY VOLTAGES UP TO 1100 V - PART 2-4: PARTICULAR REQUIREMENTS AND TESTS FOR ISOLATING TRANSFORMERS AND POWER SUPPLY UNITS INCORPORATING ISOLATING TRANSFORMERS

    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 Scope
    2 Normative references
    3 Terms and definitions
    4 General requirements
    5 General notes on tests
    6 Ratings
    7 Classification
    8 Marking and other information
    9 Protection against electric shock
    10 Change of input voltage setting
    11 Output voltage and output current under load
    12 No-load output voltage
    13 Short-circuit voltage
    14 Heating
    15 Short-circuit and overload protection
    16 Mechanical strength
    17 Protection against harmful ingress of dust,
       solid objects and moisture
    18 Insulation resistance, dielectric strength and
       leakage current
    19 Construction
    20 Components
    21 Internal wiring
    22 Supply connection and other external flexible cable
       or cords
    23 Terminals for external conductors
    24 Provisions for protective earthing
    25 Screws and connections
    26 Creepage distances, clearances and distances through
       insulation
    27 Resistance to heat, fire and tracking
    28 Resistance to rusting
    Annexes
    Annex C - Creepage distances (cr), clearances (cl) and
              distances through insulation (dti) Material
              group II (400 <= CTI < 600)
    Annex D - Creepage distances (cr), clearances (cl) and
              distances through insulation (dti) Material
              group I (CTI >= 600)
    Annex R - Explanations of the application of 4.2 of IEC
              60664-1:2007
    Bibliography
    Annex ZA (normative) - Normative references to international
                           publications with their corresponding
                           European publications

    Abstract - (Show below) - (Hide below)

    Describes the safety of isolating transformers for general applications and power supply units incorporating isolating transformers for general applications.

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

    Committee PEL/96
    Development Note Supersedes BS EN 60742, BS 3535-1(1996) & 94/201277 DC. (11/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    11/30249994 DC : DRAFT JULY 2011 BS 7430 - CODE OF PRACTICE FOR PROTECTIVE EARTHING OF ELECTRICAL INSTALLATIONS
    07/30130630 DC : 0 BS 7430 - CODE OF PRACTICE FOR EARTHING
    BS 7671(2008) : 2008 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
    BS 7671(2008) : 2018 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
    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)

    EN 61558-1:2005/A1:2009 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    IEC 61558-2-16:2009+AMD1:2013 CSV Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particularrequirements and tests for switch mode power supply units andtransformers for switch mode power supply units
    IEC 61558-1:2017 Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests
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