BH GSO IEC 61643-21:2016

IEC 61643-21:2000
Bahraini Standard   Current Edition · Approved on 08 February 2016

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

BH GSO IEC 61643-21:2016 Files

English null Pages
Current Edition Reference Language

BH GSO IEC 61643-21:2016 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 IEC 62973-3:2025
IEC 62973-3:2024 
Gulf Standard
Railway applications - Rolling stock - Batteries for auxiliary power supply systems - Part 3: Lead acid batteries
GSO IEC 60352-2:2025
IEC 60352-2:2024 
Gulf Standard
Solderless connections - Part 2: Crimped connections - General requirements, test methods and practical guidance
GSO IEC 61058-2-1:2025
IEC 61058-2-1:2018 
Gulf Standard
Switches for appliances - Part 2-1: Particular requirements for cord switches
GSO IEC 60068-2-87:2025
IEC 60068-2-87:2024 
Gulf Standard
Environmental testing – Part 2-87: Tests – UV-C exposure of materials and components to simulate ultraviolet germicidal Irradiation or other applications