• BS EN 61558-2-2:2007

    Current The latest, up-to-date edition.

    Safety of power transformers, power supplies, reactors and similar products Particular requirements and tests for control transformers and power supplies incorporating control transformers

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-05-2007

    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
    18 Insulation resistance, dielectric strength and leakage current
    19 Construction
    20 Components
    21 Internal wiring
    22 Supply connection and other external flexible cables 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
    Annex ZA (normative) Normative references to international
             publications with their corresponding European publications

    Abstract - (Show below) - (Hide below)

    Applies to control transformers and power supplies incorporating both control transformers and electronic circuits.

    Scope - (Show below) - (Hide below)

    This part of IEC 61558 deals with safety aspects of control transformers and power supplies incorporating control transformers such as electrical, thermal and mechanical safety This second edition cancels and replaces the first edition published in 1997. It constitutes a technical revision. The main changes consist of updating this Part 2-2 in accordance with Part 1, edition 2, and adding power supplies to the scope. This Part 2-2 has the status of a group safety publication in accordance with IEC Guide 104.

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

    Committee PEL/96
    Development Note To be read in conjunction with BS EN 61558-1. Supersedes BS EN 60742, BS 3535-1(1996) & 96/204657 DC. (11/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
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