• SN EN 61558-1 : 2005

    Current The latest, up-to-date edition.

    SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS

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    Language(s): 

    Published date:  12-01-2013

    Publisher:  Swiss Standards

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

    INTRODUCTION
    1 Scope
    2 Normative references
    3 Definitions
    4 General requirements
    5 General notes on tests
    6 Ratings
    7 Classification
    8 Marking and other information
    9 Protection against accessibility to hazardous live
       parts
    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 and dielectric strength
    19 Construction
    20 Components
    21 Internal wiring
    22 Supply connection and other external flexible cables
       or cords
    23 Terminals for external conductors
    24 Provision for protective earthing
    25 Screws and connections
    26 Creepage distances, clearances and distances through
       insulation
    27 Resistance to heat, abnormal heat, fire and tracking
    28 Resistance to rusting
    Figures 1 to 7
    Annex A Measurement of creepage distances and clearances
    Annex B Testing a series of transformers
    Annex C Creepage distances and clearances - Material
             group II
    Annex D Creepage distances and clearances - Material
             group I
    Annex E Glow-wire test
    Annex F Requirements for switches complying with IEC 61058
    Annex G Tracking test
    Annex H Electronic circuits
    Annex J Measuring network for touch-currents
    Annex K Insulated winding wires for use as multiple layer
             insulation
    Annex L Routine tests (production tests)
    Annex M Examples to be used as a guide for 19.1
    Annex P Examples of points of measurement of creepage
             distances and clearances
    Annex Q Explanation of IP numbers for degrees of
             protection
    Annex R Explanations of the application of 4.1.1.2.1
             of IEC 60664-1
    Annex S Bibliography
    Annex T Index of definitions
    Annex U List of parts 2 (forthcoming publications)
    Annex V Symbols to be used for thermal cut-outs
    Annex ZA Special national conditions
    Annex ZB Normative references to international publications
             with their corresponding European publications

    Abstract - (Show below) - (Hide below)

    Deals with safety aspects of power transformers, power supplies reactors and similar products such as electrical, thermal and mechanical safety.

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

    Document Type Standard
    Publisher Swiss Standards
    Status Current
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