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
GSO 34:2007
Gulf Technical Regulation
LEAD-ACID STARTER BATTERIES USED FOR
MOTOR VEHICLES AND INTERNAL
COMBUSTION ENGINES
BH GSO 34:2015
GSO 34:2007
Bahraini Technical Regulation
LEAD-ACID STARTER BATTERIES USED FOR
MOTOR VEHICLES AND INTERNAL
COMBUSTION ENGINES
GSO 35:2007
Gulf Standard
Methods of test
for lead-acid starter batteries used for motor vehicles
and internal combustion engines
Recently Published from Electrical Sector
GSO 2770:2024
Gulf Standard
WATER HEATERS - ENERGY PERFORMANCE REQUIREMENTS
GSO IEC 61076-2-116:2024
IEC 61076-2-116:2022
Gulf Standard
Connectors for electrical and electronic equipment - Product requirements - Part 2 -116: Detail specification for circular connectors size 15 with up to 3+PE power contacts and auxiliary contacts, with bayonet-locking.
GSO IEC 61076-2-115:2024
IEC 61076-2-115:2023
Gulf Standard
Connectors for electrical and electronic equipment - Product requirements - Part 2-115: Circular connectors - Detail specification for 12-pole shielded connectors with 2 A rated current and IP65/IP67 metal housing with push-pull locking
GSO IEC 60034-3:2024
IEC 60034-3:2020
Gulf Standard
Rotating electrical machines - Part 3: Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines and for synchronous compensators