GIS are designed to receive and distribute electrical energy in three-phase AC networks with frequency of 50 Hz. There are differentiated installations for indoor and outdoor placement. The case of the cell is divided by metal partitions and curtains into 4 compartments:-gathering busbars;-upper disconnecting contacts of the main circuit;-linear;-sliding element.In the closed position of the curtains with a removable sheet create a continuous closed partition compartments.
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