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Low-voltage surge protective devices - Part 41- Surge protective devices connected to DC low-voltage power systems - Requirements and test methods. IEC 61643-41:2025-05. Original standard IEC 61643-41-2025 in PDF full version. Additional info + preview on request

Document status: Active

Thin-film terrestrial photovoltaic (PV) modules - Design qualification and type approval. IEC 61646:2008. Original standard IEC 61646-2008 in PDF full version. Additional info + preview on request

Document status: Replaced by

Weibull analysis. IEC 61649:2008. Original standard IEC 61649-2008 in PDF full version. Additional info + preview on request

Document status: Active

Reliability data analysis techniques - Procedures for comparison of two constant failure rates and two constant failure (event) intensities. IEC 61650:1997. Original standard IEC 61650-1997 in PDF full version. Additional info + preview on request

Document status: Active

Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1- Calculation of short-circuit currents. IEC 61660-1:1997. Original standard IEC 61660-1-1997 in PDF full version. Additional info + preview on request

Document status: Active

Corrigendum 1 - Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1- Calculation of short-circuit currents. Original standard IEC 61660-1-1997 cor1-1999 in PDF full version. Additional info + preview on request

Document status: Active