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SR EN IEC 61439-2:2021
Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies
IEC 61439-2:2020(E) defines the specific requirements for the power switchgear and controlgear assembly (abbreviated ‘PSC-assembly’ throughout this document see 3.1.101) as follows: <ul> <li>assemblies for which the rated voltage does not exceed 1? 000 V AC or 1? 500 V DC;</li> <li>assemblies designed for a nominal frequency of the incoming supply or supplies not exceeding 1 ?000 Hz;</li> </ul> NOTE 1 Frequencies above 1 kHz are considered as high frequencies, see also IEC 60664-1:2007, 5.3.3.2.5 to take into account additional constraints to insulation coordination. <ul> <li>assemblies intended for indoor and outdoor applications;</li> <li>stationary or movable assemblies with or without enclosures;</li> <li>assemblies intended for use in connection with the generation, transmission, distribution and conversion of electrical energy, and for the control of equipment consuming electrical energy and for associated data processing;</li> <li>assemblies designed for use under special service conditions, for example in ships and in rail vehicles, provided that the other relev
Status :
Valid
Approval date : 7/30/2021
Number of pages : 58
ICS : 29.130.20 Low voltage switchgear and controgear
Technical Committee : 9 - Low-voltage switchgear and controlgear
- Replaces SR EN 61439-2:2012
- Normative reference SR EN 60204-1:2019
- Normative reference SR EN IEC 60947-3:2021
- Normative reference SR EN 61140:2016
- Normative reference SR EN IEC 61439-1:2021
- Normative reference SR EN 62262:2004