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EN 61643-331:2003

Components for low-voltage surge protective devices - Part 331: Specification for metal oxide varistors (MOV)

Publication date:   Jul 30, 2004

General information

99.60 Withdrawal effective   Jan 11, 2021

CENELEC

CLC/SR 37B Components for low-voltage surge protection

European Norm

31.040   Resistors

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Scope

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.

Life cycle

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EN 61643-331:2003
99.60 Withdrawal effective
Jan 11, 2021

REVISED BY

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EN IEC 61643-331:2018