Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV)
NORM herausgegeben am 1.11.2024
Bezeichnung normen: ČSN EN IEC 61643-332
Zeichen: 341392
Katalog-Nummer: 519914
Ausgabedatum normen: 1.11.2024
Zahl der Seiten: 72
Gewicht ca.: 216 g (0.48 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This part of IEC 61643 describes the theory of operation, principles for the selection and application of MOVs to be connected to power lines or telecommunication or signalling circuits, up to 1 000 V AC or 1 500 V DC. These SPCs are designed to protect apparatus or personnel, or both, from high transient voltages.
This document applies to MOVs having two electrodes and voltage dependent elements with or without disconnectors. It does not apply to assemblies that include MOVs and their influence on the MOV´s characteristics.
This standard specifically discusses the zinc-oxide type of MOVs