I.S. EN 61643-331:2003
Withdrawn
COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 331: SPECIFICATION FOR METAL OXIDE VARISTORS (MOV)
Hardcopy , PDF
English
01-01-2003
01-11-2021
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
1 Scope
2 Normative references
3 Parametric terms, letter symbols and definitions
3.1 Ratings
3.2 Characteristics
3.3 Circuit symbol
4 Service conditions
4.1 Normal service conditions
4.2 Abnormal service conditions
5 Basic function and MOV component description
6 Identification
6.1 Generalities
6.2 Functional and constructive characteristics
6.3 Manufacturing inspections
7 Marking
8 Testing and measuring methods
8.1 Standard design test criteria
8.2 Test conditions
8.3 Ratings
8.4 Electrical characteristics
8.5 Dependability
9 Fault and failure mode
9.1 Degradation fault mode
9.2 Fault-mode determination of rating test failures
Annex A (normative) MOV testing for IEC 61643-1 surge
protective devices
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
Applies for applications up to 1000 V a.c. or 1500 V d.c. in power line, or telecommunication, or signalling circuits.
| DevelopmentNote |
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 |
48
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| Standards | Relationship |
| BS EN 61643-331:2003 | Identical |
| NBN EN 61643-331 : 2005 | Identical |
| IEC 61643-331:2003 | Identical |
| EN 61643-331:2003 | Identical |
| DIN EN 61643-331 : 2004 | Identical |
| NF EN 61643-331 : 2003 | Identical |
| UNE-EN 61643-331:2004 | Identical |
| IEC 61643-331:2003 | Equivalent |
This standard has been withdrawn and is no longer current. No replacement edition is available.