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SAA AS EN 50089

2013 Edition, September 2013

Complete Document

CAST RESIN PARTITIONS FOR METAL-ENCLOSED GAS-FILLED HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR

Includes all amendments and changes through Amendment 1, September 2013


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SAME AS EN 50089
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Description / Abstract:

Type of equipment

This standard applies to cast resin partitions pressurized with inert gases, for example sulphur hexafluoride or a mixture of gases such as sulphur hexafluoride and nitrogen used in indoor or outdoor installations of highvoltage switchgear and controlgear, where the gas is used principally for its dielectric and/or arc-quenching properties, with rated voltages

- 1 kV and up to and including 52 kV and with gas-filled compartments with design pressure greater than 3 bar (gauge)

- and with rated voltage 72,5 kV and above.

The partitions comprise pressurized barriers in 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,

cable connections.

This standard does not apply to high voltage bushings (see HD 358 S3 (lEe 517jj.

 

This standard does not apply to high voltage bushings (see HD 358 S3 (lEe 517jj.