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Withdrawn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Withdrawn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 |
| HD 323.2.20 : 200S3 | BASIC ENVIRONMENTAL TESTING PROCEDURES - TESTS - TEST T - SOLDERING |
| IEC 60068-1:2013 | Environmental testing - Part 1: General and guidance |
| IEC 60068-2-20:2008 | Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads |
| EN 60068-1:2014 | Environmental testing - Part 1: General and guidance |
| IEC 61643-1:2005 | Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests |
| EN 60068-2-29:1993 | Environmental testing - Part 2: Tests - Test Eb and guidance: Bump |
| EN 60068-2-78:2013 | Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state |
| EN 60068-2-6:2008 | Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) |
| IEC 60068-2-29:1987 | Environmental testing. Part 2: Tests. Test Eb and guidance: Bump |
| IEC 60068-2-14:2009 | Environmental testing - Part 2-14: Tests - Test N: Change of temperature |
| EN 60068-2-14:2009 | Environmental testing - Part 2-14: Tests - Test N: Change of temperature |
| IEC 60068-2-52:2017 | Environmental testing - Part 2-52: Tests - Test Kb: Salt mist, cyclic (sodium chloride solution) |
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