NBN EN 61643-331 : 2005
Current
The latest, up-to-date edition.
COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 331: SPECIFICATION FOR METAL OXIDE VARISTORS (MOV)
12-01-2013
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
Designed to protect apparatus or personnel, or both, from high transient voltages. Applies to MOVs having two electrodes.
| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
|
| Status |
Current
|
| Standards | Relationship |
| I.S. EN 61643-331:2003 | Identical |
| UNE-EN 61643-331:2004 | 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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