NEN-EN 50068:2018 en

High-Voltage Switchgear and Controlgear - Gas-filled wrought steel enclosures

63,00 68,67 Incl BTW

About norm

Status Current
Number of pages 27
Committee Hoogspanningsschakelmateriaal en installatievoorschriften
Published on 01-12-2018
Language English
NEN-EN 50068 applies to wrought steel enclosures and their welding. These enclosures are pressurized with dry air, inert gases, for example 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 1kV, where the gas is used principally for its dielectric and/or arc-quenching properties with rated voltages: - above 1 kV and up to and including 52 kV concerning gas-filled compartments with design pressure higher than 300 kPa relative pressure (gauge); - above 52 kV concerning all gas-filled compartments. 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; - etc. The scope also covers enclosures of pressurized components such as the centre chamber of live tank switchgear, gas-insulated current transformers, etc.


ICS-code 29.130.10
English title High-Voltage Switchgear and Controlgear - Gas-filled wrought steel enclosures

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