KS C IEC 61643-11 (confirmed in 2022) Low-voltage surge protective devices - Part 11: Low-voltage surge protective devices in low-voltage power systems - Requirements and test methods 2024.02.14
KS C IEC 61643-22 Low-voltage surge protection devices - Part 22: Surge protection devices for communication and signal network connections - Selection and application guidelines 2024.02.14
KS C IEC 61643-12 Low-voltage surge protective devices — Part 12: Surge protective devices for protection of low-voltage power systems — Guidelines for selection and application 2024.02.14
KS C IEC 61643-21 Low-voltage surge protective devices — Part 21: Surge protective devices connected to telecommunication and signaling networks — Performance requirements and test methods 2024.02.14
