EN 50069-1991 标准详情
- 标准号:EN 50069-1991
- 中文标题:电压1kv以上交流电开关设备.充气高压开关控制设备用铝合金和轻型金属铸件的焊接外壳
- 英文标题:welded composite enclosures of cast and wrought aluminium alloys for gas-filled high-voltage switchgear and controlgear
- 标准类别:欧盟标准EN
- 发布日期:1991-02-08
Applies to welded composite enclosures of cast and wrought aluminium and aluminium alloy enclosures pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor or outdoor installation
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