EN IEC 61643-331:2018
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Components for low-voltage surge protective devices - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
01-11-2021
03-16-2018
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
4 Service conditions
5 Mechanical requirements and materials
6 General
7 Electrical requirements
8 Standard design test criteria
9 Nominal discharge current and limited current
temporary overvoltage
Annex A (informative) - MOV testing according to
IEC 61643-11:2011 - Surge protective devices
for the Class I, II and III
Annex B (informative) - IEC 61051 Varistors for use
in electronic equipment
Annex C (informative) - Accelerated endurance
screening test
Annex D (informative) - Proposed test method for
determination of mean time to failure (MTTF)
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
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