ČSN EN 50069

High-voltage switchgear and controlgear - Gas-filled welded composite enclosures of cast and wrought aluminium alloys

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Detail information

Designation: ČSN EN 50069

Publication date: 01/04/2019

Pages: 20

Country: Czech technical standard

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Anotation

This document applies to welded composite enclosures of cast and wrought aluminium alloy pressurized with dry air, inert gases (e.g. 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 1 kV, where the gas is used principally for its dielectric and/or arc-quenching properties with rated voltage

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