IEC/TR 61912-2
Low-voltage switchgear and controlgear – Over-current protective devices – Part 2: Selectivity under over-current conditions
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| Organization: | IEC |
| Publication Date: | 1 May 2009 |
| Status: | active |
| Page Count: | 38 |
| ICS Code (Switchgear and controlgear): | 29.130 |
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.
Document History
IEC/TR 61912-2
May 1, 2009
Low-voltage switchgear and controlgear – Over-current protective devices – Part 2: Selectivity under over-current conditions
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...