標準號：SFS-EN 50052 E-1987
中文標準名稱：充氣高電壓開關裝置和控制裝置用鑄鋁合金外殼
英文標準名稱：This standard is approved in English
發布日期：1987/5/18 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：This standard applies to cast 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 installations of high-voltage svvitchgear and controlgear with rated voltages above 1 kV, vvhere the gas is used principally for its dielectric and/or arc-quenching properties.The enclosures comprise parts of electrical equipment not necessarily limited to the following examples:Circuit-breakers Switch-disconnectors Disconnectors Earthing svvitches Current transformers Voltage transformers Surge arrestors Busbars and connectionsThe scope also covers pressurized components such as the centre chamber of live tank svvitchgear, gas-insulated current transformers, etc. .