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Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors (MOV)
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Available format(s): Hardcopy, PDF
Superseded date: 01-05-2018
Language(s): Spanish, Castilian, English
Published date: 23-07-2004
Publisher: Asociacion Espanola de Normalizacion
1 Scope2 Normative references3 Parametric terms, letter symbols and definitions 3.1 Ratings 3.2 Characteristics 3.3 Circuit symbol4 Service conditions 4.1 Normal service conditions 4.2 Abnormal service conditions5 Basic function and MOV component description6 Identification 6.1 Generalities 6.2 Functional and constructive characteristics 6.3 Manufacturing inspections7 Marking8 Testing and measuring methods 8.1 Standard design test criteria 8.2 Test conditions 8.3 Ratings 8.4 Electrical characteristics 8.5 Dependability9 Fault and failure mode 9.1 Degradation fault mode 9.2 Fault-mode determination of rating test failuresAnnex A (normative) MOV testing for IEC 61643-1 surge protective devicesAnnex ZA (normative) Normative references to international publications with their corresponding European publicationsBibliographyFigures
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.
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