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  • CEI EN 61643-351 : 1ED 2017

    Current The latest, up-to-date edition.

    COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST METHODS FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SIT)

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    Published date:  24-01-2018

    Publisher:  Comitato Elettrotecnico Italiano

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms, definitions, symbols, abbreviations and acronyms
    4 Service conditions
    5 SIT surge conditions
    6 Characteristics
    7 Ratings
    8 Identification
    Annex A (informative) - 1,2/50 impulse
    Bibliography
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Pertains to signal transformer applications with signal levels up to 400 V peak to peak. SITs are transformers, with or without an internal-winding screen, with a rated impulse withstand voltage greater than the peak voltage of the expected common-mode surge environment.

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

    Committee CT 37
    Development Note Classificazione CEI 37-19. (01/2018)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current

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

    IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations
    IEC TR 60664-2-1:2011 Insulation coordination for equipment within low-voltage systems - Part 2-1: Application guide - Explanation of the application of the IEC 60664 series, dimensioning examples and dielectric testing
    EN 60721-3-3 : 95 AMD 2 97 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STATIONARY USE AT WEATHER-PROTECTED LOCATIONS
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