GSO 903:1997
IEC 60273:1990
Gulf Standard
·
Edition 1
Current Edition
·
Approved on
15 October 1997
CHARACTERISTICS OF INDOOR AND OUTDOOR POST INSULATORS FOR SYSTEMS WITH NOMINAL VOLTAGES GREATER THAN 1000 V
GSO 903:1997 Files
Arabic
46 Pages
Current Edition
25.0 OMR
English
34 Pages
Current Edition
Reference Language
21.0 OMR
GSO 903:1997 Scope
This standard is applies to post insulators and post insulator units of ceramic material intended for indoor service in electrical installations or equipment operating on alternating current systems with a nominal voltage greater than 1000 V and a frequency not greater than 100 Hz. It may also be regarded as a provisional standard for insulators for use on direct current systems.
Best Sellers From Construction and Building Sector
GSO 1431:2002
Gulf Technical Regulation
Sanitary appliances - pressurized flushing devices
OS GSO 1431:2002
GSO 1431:2002
Omani Standard
Sanitary appliances - pressurized flushing devices
GSO 1427:2008
Gulf Standard
Ceramic Sanitary Appliances - Western Water Closets
OS GSO 1427:2008
GSO 1427:2008
Omani Standard
Ceramic Sanitary Appliances - Western Water Closets
Recently Published from Construction and Building Sector
OS 1657:2025
Omani Standard
Omani Sarooj
GSO ISO 6781-1:2024
ISO 6781-1:2023
Gulf Standard
Performance of buildings
— Detection of heat, air and moisture irregularities in buildings by infrared methods
— Part 1: General procedures
GSO ISO 19467-2:2024
ISO 19467-2:2021
Gulf Standard
Thermal Performance of windows and doors
— Determination of solar heat gain coefficient using solar simulator
— Part 2: Centre of glazing
GSO EN 13501-5:2024
EN 13501-5:2016
Gulf Standard
Fire classification of construction products and building elements - Part 5: Classification using data from external fire exposure to roofs tests