I.S. EN 61857-21:2009
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
Hardcopy , PDF
English
01-01-2009
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.
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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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