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BS EN 61643-331:2003

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Low voltage surge protective devices Specification for metal oxide varistors (MOV)
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2022

Language(s)

English

Published date

22-08-2003

Publisher

British Standards Institution

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.

Details the test specifications for metal oxide varistors (MOV), which are used for applications up to 1000 V a.c. or 1500 V d.c. in power line, or telecommunication, or signalling circuits. The MOVs are designed to protect apparatus or personnel, or both from high transient voltages. Does not deal with hybrid devices. Does not apply also to mountings and their effect on the MOVs characteristics.

Committee
PEL/37
DevelopmentNote
Supersedes 98/233300 DC (09/2003)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
I.S. EN 61643-331:2003 Identical
UNE-EN 61643-331:2004 Identical
SN EN 61643-331 : 2003 Identical
IEC 61643-331:2003 Identical
EN 61643-331:2003 Identical
DIN EN 61643-331 : 2004 Identical
NBN EN 61643-331 : 2005 Identical
NF EN 61643-331 : 2003 Identical

BS 1363-1:2016+A1:2018 13 A plugs, socket-outlets, adaptors and connection units Specification for rewirable and non-rewirable 13 A fused plugs

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
IEC 61051-2:1991 Varistors for use in electronic equipment - Part 2: Sectional specification for surge suppression varistors
IEC 61051-2-2:1991 Varistors for use in electronic equipment - Part 2: Blank detail specification for zinc oxide surge suppression varistors. Assessment level E
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 61180-1:1992 High-voltage test techniques for low voltage equipment - Part 1: Definitions, test and procedure requirements
IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
IEC 61051-2-1:1991 Varistors for use in electronic equipment - Part 2: Blank detail specification for silicon carbide surge suppression varistors. Assessment level E
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)
IEC 61051-1:2007 Varistors for use in electronic equipment - Part 1: Generic specification

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