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Indoor disconnect switch / medium-voltage - 13 - 36 kV, 20 kA
The earthing switches in this series are equipped with a special mechanism for storing energy, which ensures less switching. The manufacturer has used zinc to plate the base frames of the switches, while the current earthing plates are plated with galvanic silver. The contacts and their blades are made of electrolytic copper, while the required contact force is maintained by the rustproof pressure springs, over the whole mechanical life.