DS/EN IEC 61643-331:2018現行
Components for low-voltage surge protection – Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
出版：Danish Standards
專家解讀視頻
IEC 61643-331:2017E) is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V AC or 1 500 V DC in power line, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient voltages.
EN IEC 61643-331 : 2018 - Identical
IEC 61643-331 : 2.0 - Identical
IEC 61643-331 : 2.0 - Identical
EN IEC 61643-331 : 2018 - Identical
