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I.S. EN 61857-21:2009

Current
Current

The latest, up-to-date edition.

ELECTRICAL INSULATION SYSTEMS - PROCEDURES FOR THERMAL EVALUATION - PART 21: SPECIFIC REQUIREMENTS FOR GENERAL-PURPOSE MODELS - WIRE-WOUND APPLICATIONS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2009

Publisher

National Standards Authority of Ireland

Preview

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.

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Construction
5 Number of test objects
6 Test procedures
7 End-of-life criterion
8 Analyzing, reporting and classification
Bibliography
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

Specifies a general-purpose model (GPM) and a tall channel alternative model (GPM-TC) which can be used for the evaluation of wire-wound electrical insulation systems (EIS) where specific electrotechnical products are not available or required.

DevelopmentNote
Supersedes I.S. EN 61857-23 (01/2005) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
21
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

Standards Relationship
UNE-EN 61857-21:2009 Identical
EN 61857-21:2009 Identical
BS EN 61857-21:2009 Identical
SN EN 61857-21 : 1999 Identical
DIN EN 61857-21 : 2010 Identical
IEC 61857-21:2009 Identical
NF EN 61857-21 : 2009 Identical
NBN EN 61857-21 : 2009 Identical

IEC 60050-195:1998 International Electrotechnical Vocabulary (IEV) - Part 195: Earthing and protection against electric shock
IEC 60505:2011 Evaluation and qualification of electrical insulation systems
IEC 61857-1:2008 Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage
EN 60505:2011/AC:2017-03 EVALUATION AND QUALIFICATION OF ELECTRICAL INSULATION SYSTEMS (IEC 60505:2011/COR1:2017)
EN 61857-1:2009 Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage

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Hardcopy - English
PDF - English
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