Quickly exchangeable switching device in fixed type medium voltage switchgear system

Switching device assembly for providing a switching function in a medium voltage switchgear system, said switching device comprising

• a switching device housing of insulating material,
• a switching device positioned in the switching device housing,
• a first and a second terminal connected to the switching device and receiving ends at the location of the first and second terminal for receiving a first and a second interface surface of respective conductor terminals of the medium voltage switchgear,
• a first and second mounting assembly which is arranged to releasably fasten the first and second terminal to the respective conductor terminals in operation, and
• a switching device drive unit to which the switching device housing is mounted, in which the switching device drive unit is provided with first and second sealable access points, through which the first and second mounting assembly, respectively are reachable when opened.