I.S. EN 61643-331:2003
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 331: SPECIFICATION FOR METAL OXIDE VARISTORS (MOV)
Hardcopy , PDF
English
01-01-2003
11-01-2021
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Withdrawn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This standard has been withdrawn and is no longer current.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.
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