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IEC 62271-203 Ed. 2.0 Edition 09/2011
High-voltage switchgear and controlgear - Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
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Abstract

IEC 62271-203:2011 specifies requirements for gas-insulated metal-enclosed switchgear in which the insulation is obtained, at least partly, by an insulating gas other than air at atmospheric pressure, for alternating current of rated voltages above 52 kV, for indoor and outdoor installation, and for service frequencies up to and including 60 Hz. This second edition of IEC 62271-203 cancels and replaces the first edition of IEC 62271-203, published in 2003, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- adopting the structure and the content to IEC 62271-1,
- harmonisation with IEEE C37.122,
- addition of the new Annex F and the new Annex G.

This publication is to be read in conjunction with IEC 62271-1:2007. The contents of the corrigendum of July 2013 have been included in this copy.

Status

Standard - Active

Origin

Technical Committee :
17C : Assemblies

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC 60951-3 Ed.3.0 RLV
IEC 62271-203 Ed.3.0

International Classification for Standards (ICS codes) :

29.130.10 : High voltage switchgear and controlgear

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