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naSRPS EN IEC 61643-332:2020
Zaštitne komponente za odvođenje niskog napona - Deo 332: Principi za izbor i primenu na metal oksidnim varistorima (MOV)
Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV)
Apstrakt
IEC 61643-332: 2023 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 dependents 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.
Životni ciklus
TRENUTNO
PROJEKAT
naSRPS EN IEC 61643-332:2020
40.60
Završetak javne rasprave
3. 3. 2023.