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ČSN EN IEC 61643-41 (341392)
Low-voltage surge protective devices - Part 41: Surge protective devices connected to DC low-voltage power systems - Requirements and test methods
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STANDARD published on 1.3.2026
The information about the standard:
Designation standards: ČSN EN IEC 61643-41
Classification mark: 341392
Catalog number: 522691
Publication date standards: 1.3.2026
SKU: NS-1262139
Approximate weight : 144 g (0.32 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Annotation of standard text ČSN EN IEC 61643-41 (341392):
This document, together with IEC 61643-01, is applicable to devices for surge protection against indirect and direct effects of lightning or other transient overvoltages.
These devices are intended to be connected to DC power circuits and equipment rated up to 1 500 V DC. Performance and safety requirements, tests and ratings are specified in this document. These devices contain at least one nonlinear component and are intended to limit surge voltages and divert surge currents.
The test requirements provided by this document are based on the assumption that the SPD is connected to a DC power circuit fed by a power source providing a linear voltage-current characteristic. When the SPD is to be connected to a different kind of source, careful consideration is required. This mainly applies with regard to system and fault conditions to be expected in such a system (e.g. expected short circuit current, TOV-stresses)
These changes apply to this standard:
ČSN EN IEC 61643-41:2026/A11 (341392)
Change
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Ochrany před přepětím nízkého napětí - Část 41: Ochrany před přepětím zapojené v DC sítích nízkého napětí - Požadavky a zkušební metody (Norma k přímému použití jako ČSN).
Change published on 1.3.2026
Selected format: English - Print design (8.70 USD)
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Preview of the standard ČSN EN IEC 61643-41 (341392)
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