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BSI BS EN 50068:2018

High-Voltage Switchgear and Controlgear. Gas-filled wrought steel enclosures
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BSI BS EN 50068:2018

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

PUBLISH DATE 2018
PAGES 30
BSI BS EN 50068:2018

This document 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 k9 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.

SDO BSI: British Standards Institution
Document Number EN 50068
Publication Date Dec. 6, 2018
Language en - English
Page Count
Revision Level
Supercedes
Committee PEL/17
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