International Standards and Conformity Assessment for all electrical, electronic and related technologies

SC 17C

High-voltage switchgear and controlgear assemblies

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WG 31 Convenor & Members


Mr Edgar Dullni
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Mr Michael AdamsGB
Mr Marc ArensBE
Mr Eldridge ByronUS
Mr Sergio Feitoza CostaBR
Mr Didier FulchironFR
Mr Samuel GriotFR
Mr Martin GroteDE
Mr José Manuel InchaustiES
Mr Neil KeelerGB
Mr Matthias KlugeDE
Mr M. LusingNL
Mr Rafael Muñoz López-VillaltaES
Mr Osvaldo PrestiniIT
Mr Alain QueminFR
Mr Alberto SironiIT
Mr David T StoneUS
Mr R.Sait SulluogluTR
Mr Enwen TianCN

Title & Task

WG 31

IEC/TR 62271-307: Guidance for the extension of validity of type tests


To develop a guide which is applicable to factory-assembled metal-enclosed switchgear and controlgear for alternating current of rated voltages above 1 kV and <= 52 kV and equipment included in the same enclosure with any possible mutual influence.