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NF EN 50069-1992 Welded composite enclosures of cast and wrought aluminium alloys for gas-filled high-voltage switchgear and controlgear.

Standard Number:  NF EN 50069-1992
Title:  Welded composite enclosures of cast and wrought aluminium alloys for gas-filled high-voltage switchgear and controlgear.
Language:  French
Publication Date:  1992/10/1
Execute Date:  1992/10/1
Status:  Current
Publisher:   Francaise de Normalisation(NF)
Price:  
Number of Pages:29  

Description:Applies to welded composite enclosures of cast and wrought aluminium and aluminium alloy enclosures pressurized with dry air, inert gases, e.g. sulfur hexafluoride or nitrogen, and used in indoor or outdoor installations of high voltage switchgear and controlgear with rated voltages of 72,5 kV and above, where the gas is used for its dielectric and/or arc quenching properties. Enclosures comprise parts of electrical equipment such as circuit breakers, switch disconnectors, disconnectors, earthing switches, current and voltage transformers, surge arrestors and bushbar and connections. Includes pressurized components such as centre chamber of live tank switchgear and controlgear, gas insulated current transformers, etc.  
Catalog:Cooperating organizations
National foreword
1 Introduction
2 Scope and field of application
3 Definitions
4 Materials
5 Design
6 Manufacture and workmanship
7 Inspection and testing
8 Pressure relief devices
9 Certification and marking
Annex
A National deviations
National appendix NA
National appendix NB  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  971KB
Tile in English:  Welded composite enclosures of cast and wrought aluminium alloys for gas-filled high-voltage switchgear and controlgear.

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