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 2025-11-26 15:14:13 Field Electrical/Electronics (C) > electrical machinery applied area This standard describes the principles for selection, operation, location, and coordination of SPDs connected to communication and signal networks with nominal grid voltages of up to 1 000 Vrms for AC and 1 500 V for DC. The standard also covers SPDs that integrate protection for signal lines and power lines in the same enclosure. Standard name (English) Low-voltage surge protective devices-Part 22:Surge protective devices connected to telecommunications and signaling networks-Selection and application principles International Standard Classification (ICS) code 29.240.10: Substation. surge prevention device Compliance with international standards IEC 61643-22:2004(IDT) ※ IDT: Match, MOD: Modify, NEQ: Not match Notification agency (notification number) (No. 2007-1123) Reason for notice KS screening standards published date situation Screening criteria file reason There is no KS screening criteria information. number of pages 36 History information standard number standard name Announcement date situation Reason for notice note KS C IEC 61643-22 (confirmed 2022) Low-voltage surge protection devices - Part 22: Surge protection devices for communication and signal network connections - Selection and application guidelines 2022-07-29 OK (Standard) 5-year confirmation standard KS C IEC 61643-22 (confirmed 2017) Low-voltage surge protection devices - Part 22: Surge protection devices for communication and signal network connections - Selection and application guidelines 2017-12-13 Confirm (old version) 5-year confirmation standard KS C IEC 61643-22 (confirmed 2012) Low-voltage surge protection devices - Part 22: Surge protection devices for communication and signal network connections - Selection and application guidelines 2012-11-05 Confirm (old version) 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 2007-11-30 Enacted (old version) LIST 이전글KS 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 methods2025.11.26 다음글KS 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 application2025.11.26