GSO IEC 61643-21:2014
IEC 61643-21:2000
Gulf Standard
Current Edition
·
Approved on
25 December 2014
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
GSO IEC 61643-21:2014 Files
English
111 Pages
Current Edition
Reference Language
Obtaining this standard through the store is currently unavailable. You can acquire it directly from its source.
GSO IEC 61643-21:2014 Scope
This International Standard is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages.
The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c.
Best Sellers From Electrical Sector
GSO 2530:2016
Gulf Standard
Energy Labelling And Minimum Energy Performance Requirements For Air-Conditioners
OS GSO 2530:2016
GSO 2530:2016
Omani Standard
Energy Labelling And Minimum Energy Performance Requirements For Air-Conditioners
OS GSO 34:2007
GSO 34:2007
Omani Standard
LEAD-ACID STARTER BATTERIES USED FOR
MOTOR VEHICLES AND INTERNAL
COMBUSTION ENGINES
GSO 34:2007
Gulf Technical Regulation
LEAD-ACID STARTER BATTERIES USED FOR
MOTOR VEHICLES AND INTERNAL
COMBUSTION ENGINES
Recently Published from Electrical Sector
GSO IEC TR 63411:2026
IEC TR 63411:2025
Gulf Standard
Grid connection of offshore wind via VSC-HVDC systems
GSO ISO 20816-21:2026
ISO 20816-21:2025
Gulf Standard
Mechanical vibration — Measurement and evaluation of machine vibration — Part 21: Horizontal axis wind turbines
GSO CEN/TR 16999:2026
CEN/TR 16999:2019
Gulf Standard
Solar energy systems for roofs - Requirements for structural connections to solar panels
GSO IEC 61362:2026
IEC 61362:2024
Gulf Standard
Guidelines to specification of hydraulic turbine governing systems