EN 50052:1986

EN 50052:1986 is a standard published by CLC. Its full title is "Cast aluminium alloy enclosures for gas-filled high-voltage switchgear and controlgear". This standard covers: This standard applies to cast aluminium alloy enclosures pressurized with dry air, insert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor or 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-quanching properties. The enclosures comprise parts of electrical equipment not necessarily limited to the following examples: circuit breakers, switch-disconnectors, disconnectors, earthing switches, current transformers, voltage transformers, surge arrestors, busbars and connections. The scope also covers pressurized components such as the centre chamber of live tank switchgear, gas-insulated current transformers, etc.

This standard applies to cast aluminium alloy enclosures pressurized with dry air, insert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor or 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-quanching properties. The enclosures comprise parts of electrical equipment not necessarily limited to the following examples: circuit breakers, switch-disconnectors, disconnectors, earthing switches, current transformers, voltage transformers, surge arrestors, busbars and connections. The scope also covers pressurized components such as the centre chamber of live tank switchgear, gas-insulated current transformers, etc.

EN 50052:1986 has the following relationships with other standards: It is inter standard links to EN 50052:2016, EN 50052:1986/A2:1993. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

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