I.S. EN IEC 61643-352:2018

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COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTION - PART 352: SELECTI AND APPLICATION PRINCIPLES FOR TELECOMMUNICATIONS AND SIGNALLIN NETWORK SURGE ISOLATION TRANSFORMERS (SITS)

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Published date: 24-04-2018

Publisher: National Standards Authority of Ireland

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

National foreword
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
4 Service conditions
5 SIT surge conditions
6 Selection
7 Applications
Annex A (informative) - Lightning overvoltages of
        telecommunication line
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Abstract - (Show below) - (Hide below)

Defines the application of surge isolation transformers (SITs) that are used in telecommunication transformer applications with signal levels up to 400 V peak to peak.

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Development Note	For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (04/2018)
Document Type	Standard
ISBN
Pages
Published
Publisher	National Standards Authority of Ireland
Status	Current

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

IEC 60721-3-9:1993	Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 9: Microclimates inside products
IEC 61558-2-4:2009	Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers
ISO/IEC 11801:2002	Information technology Generic cabling for customer premises
IEC 61643-21:2000+AMD1:2008+AMD2:2012 CSV	Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
IEC 61643-351:2016	Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
IEC 61558-1:2017	Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests
IEC 60076-1:2011	Power transformers - Part 1: General
IEC 60068-2-2:2007	Environmental testing - Part 2-2: Tests - Test B: Dry heat
IEC 60989:1991	Separating transformers, autotransformers, variable transformersand reactors.
IEC 61340-4-8:2014	Electrostatics - Part 4-8: Standard test methods for specific applications - Electrostatic discharge shielding - Bags
EN 61643-351:2017	Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
IEC 60068-2-1:2007	Environmental testing - Part 2-1: Tests - Test A: Cold
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
IEC 60664-1:2007	Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests

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