GW1 Series is an outdoor high-voltage air insulating disconnecting switch that is used in MV power networks for switching them on and off. This provides support for a reliable and safe operation of isolating and energizing networks. They are suitable for preserve with strict ecological regulations.

The GW1 disconnects are used to achieve a clearly visible disconnection of parts from the power distribution networks, passing through a process of repairs, revisions and other works which necessitate to have the line in a non-live (isolated) state.