High-voltage switchgear and controlgear. Gas-filled welded composite enclosures of cast and wrought aluminium alloys Ingestion-build-239834 The standard addresses issues relating

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High-voltage switchgear and controlgear. Gas-filled welded composite enclosures of cast and wrought aluminium alloys Ingestion-build-239834 The standard addresses issues relatingWhat is BS EN 50069 about? BS EN 50069 covers the requirements for the design, construction, testing, inspection, and certification of gas filled enclosures for use specifically in high voltage switchgear and control gear, or for associated gas filled equipment. BS EN 50069 applies to welded composite enclosures and wrought aluminium alloys. These enclosures are pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a