I.S. EN 61643-351:2017
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)
Hardcopy , PDF
English
01-01-2017
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
National Foreword
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
Describes the surge isolation transformers (SITs) which are used for signal transformer applications with signal levels up to 400 V peak to peak.
DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (03/2017)
|
DocumentType |
Standard
|
Pages |
68
|
PublisherName |
National Standards Authority of Ireland
|
Status |
Current
|
Standards | Relationship |
EN 61643-351:2017 | Identical |
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 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 |
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 60068-2-1:2007 | Environmental testing - Part 2-1: Tests - Test A: Cold |
IEC 60060-1:2010 | High-voltage test techniques - Part 1: General definitions and test requirements |
ISO/IEC/IEEE 8802-3:2017 | Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 3: Standard for Ethernet |
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 TR 61340-1:2012 | Electrostatics - Part 1: Electrostatic phenomena - Principles and measurements |
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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