UNE-EN 61643-331:2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors (MOV)
Hardcopy , PDF
01-05-2018
Spanish, Castilian, English
23-07-2004
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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
Figures
This part of IEC 61643 is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V a.c. or 1 500 V d.c. in power line, or telecommunication, or signalling circuits.
| Committee |
CTN 201/SC 37AB
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
Asociacion Espanola de Normalizacion
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NBN EN 61643-331 : 2005 | Identical |
| I.S. EN 61643-331:2003 | Identical |
| IEC 61643-331:2003 | Identical |
| BS EN 61643-331:2003 | Identical |
| EN 61643-331:2003 | Identical |
| SN EN 61643-331 : 2003 | Identical |
| DIN EN 61643-331 : 2004 | Identical |
| NF EN 61643-331 : 2003 | Identical |
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