ČSN EN 50068

Podrobné informácie

Označenie: ČSN EN 50068

Dátum vydania: 01.04.2019

Stránok: 32

Krajina: Česká technická norma

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Anotácia

This document applies to wrought steel enclosures and their welding. These enclosures are pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor and outdoor installations of high-voltage switchgear and controlgear with rated voltages above 1kV, where the gas is used principally for its dielectric and/or arc-quenching properties with rated voltages