Medium-voltage switchgear
metal-cladSF6 gas-insulatedpower distribution

medium-voltage switchgear
medium-voltage switchgear
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Electrical characteristics
metal-clad, SF6 gas-insulated
power distribution

600 A, 1,200 A, 2,000 A, 25,000 A


23.9 V, 25.8 V


Gas Insulated Switchgear Description Gas Insulated Switchgear (GIS) offers high reliability, safety, and maintenance-free features in a much smaller space, compared with conventional switchgear. Features ‧High reliability ○The live parts are sealed in metal enclosures filled with pure SF6 gas. Thus, it is protected from contamination by smoke,  chemical fumes, dust or salt-laden spray or as ingress of small animals. This protection prevents the inside components  from oxidation and rust caused by oxygen and moisture. ‧Space reduction  ○A medium voltage GIS can be installed into a space about half that required for a conventional type air-insulated metal-clad  switchgear. ‧High safety  ○All the live parts are fully enclosed in grounded metal enclosures. Thus, there is no danger of an electric shock. SF6 is an  inert, non-flammable, non-toxic, and odorless gas used as an insulation and arc extinguishing medium. Therefore, it is safe  for personnel and there is no fire hazard. ‧Reduced maintenance costs  ○Since the live parts are fully enclosed in an oxygen-free and moisture-free environment, there is no aging decay. This leads  to a reduction in labor costs for maintenance and inspection. ‧Short installation time  ○A GIS of about four panels can be transported fully constructed. The GIS can be energized by connecting external power  cables to the pre-fabricated plug-in type terminals. Thus, shortening installation time.


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.