OS GSO IEC 61557-11:2012
IEC 61557-11:2009
Omani Standard
Current Edition
·
Approved on
09 August 2012
ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1 000 V a.c. AND 1 500 V d.c. – EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES – Part 11: Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and IT systems
OS GSO IEC 61557-11:2012 Files
English
41 Pages
Current Edition
Reference Language
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OS GSO IEC 61557-11:2012 Scope
This standard specifies the requirements for testing equipment applied to the testing of the effectiveness of residual current monitors (RCMs) of type A and type B, which are already installed in distribution systems.
This test equipment can be used in any kind of network like a TN, TT or IT system. The test equipment may also be used for testing directionally discriminating RCMs in IT-Systems.
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