Siemens receives order for world's first gaz sf6-free gas-insulated switchgear with "clean air" and vacuum switching technology for 145 kV ü Vacuum circuit breakers and "clean air" insulation replace insulating gas as switching and insulating medium ü Sulfr hexafluoride-free gas-insulated switchgear (GIS) for 145 kV, 40 kA, 3,150
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Get Price18/1/2022Siemens expands its portfolio for gaz sf6-free medium-voltage switchgear Press release, 28 March 2019 8DJH 12 switchgear is expanding the "blue GIS" portfolio in the medium-voltage range -"Clean Air" used as the F gas-free insulating medium -Follows the proven operating concept for load-break switchgear
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