NF EN IEC 62271-203

High-voltage switchgear and controlgear - Part 203 : AC gas-insulated metal enclosed switchgear for rated voltages above 52 kV

Le présent document spécifie les exigences pour l'appareillage sous enveloppe métallique à isolation gazeuse dont l'isolation est réalisée, au moins partiellement, par un gaz isolant ou un mélange de gaz autre que l'air à la pression atmosphérique, pour courant alternatif de tensions assignées supérieures à 52 kV, pour l'installation à l'intérieur et à l'extérieur, et pour des fréquences de service inférieures ou égales à 60 Hz.

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