OS GSO 903:1997
IEC 60273:1990
Omani Standard
Current Edition
·
Approved on
15 October 1997
CHARACTERISTICS OF INDOOR AND OUTDOOR POST INSULATORS FOR SYSTEMS WITH NOMINAL VOLTAGES GREATER THAN 1000 V
OS GSO 903:1997 Files
Arabic
46 Pages
Current Edition
OMR
25.0
English
34 Pages
Current Edition
Reference Language
OMR
21.0
OS 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.
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