IEEE C37.20.9-2019
Current
Current
The latest, up-to-date edition.
IEEE Standard for Metal-Enclosed Switchgear Rated 1 kV to 52 kV Incorporating Gas Insulating Systems
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
17-06-2019
This standard covers the design, testing, and installation of metal-enclosed switchgear that incorporates gas (typically SF6) at higher than ambient pressure as an insulation medium for alternating-current applications rated above 1 kV to 52 kV.
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