OS GSO IEC 61557-9:2012
IEC 61557-9:2009
Omani Standard
Current Edition
·
Approved on
09 August 2012
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systems
OS GSO IEC 61557-9:2012 Files
English
45 Pages
Current Edition
Reference Language
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OS GSO IEC 61557-9:2012 Scope
This part of GSO IEC 61557 specifies the requirements for insulation fault location systems which localize insulation faults in any part of the system in unearthed IT a.c. systems and unearthed IT a.c. systems with galvanically connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as in unearthed IT d.c. systems with voltages up to 1 500 V d.c., independent of the measuring principle.
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