OS GSO IEC/TR 61912-2:2015
IEC TR 61912-2:2009
Omani Standard
Current Edition
·
Approved on
03 September 2015
Low-voltage switchgear and controlgear - Over-current protective devices - Part 2: Selectivity under over-current conditions
OS GSO IEC/TR 61912-2:2015 Files
English
33 Pages
Current Edition
Reference Language
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OS GSO IEC/TR 61912-2:2015 Scope
This technical report, which serves as an application guide for the determination of selectivity between over-current protective devices of low-voltage switchgear and controlgear, summarises the definitions of the terminology and provides examples of application.
The following standards for devices are considered in this technical report:
− IEC 60255-3; IEC 60255-6; IEC 60255-8, IEC 60255-12
− IEC 60269-1, IEC 60269-2, IEC 60269-3;IEC 60269-4;
− IEC 60898-1;
− IEC 60947 series;
− IEC 61008-1;
− IEC 61009-1.
This report does not deal with other forms of protection, such as power-reversal protection,directional protection and arc-protection systems.
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