IEC/TR 61643-333-ed.1.0

Components for low-voltage surge protection - Part 333: characteristic equations and life evaluation for metal oxide varistors (MOV)

NORMA vydaná dňa 2.6.2026

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Informácie o norme:

Označenie normy: IEC/TR 61643-333-ed.1.0
Dátum vydania normy: 2.6.2026
Počet strán: 40
Približná hmotnosť: 120 g (0.26 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy IEC

Anotácia textu normy IEC/TR 61643-333-ed.1.0 :

IEC TR 61643-333:2026 presents the U-I/R-I characteristic equations and the life evaluation method for MOVs, 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. This document specifically addresses the zinc-oxide type of MOVs.