A switching device comprising: - a sealed enclosure containing therein a sulfur hexafluoride (SF 6) free insulant at least partially surrounding electrical components (101, 102, 103, and 104) for operating the switching device, wherein the electrical components (101, 102, 103, and 104) comprise a cable compartment, a switching compartment, a busbar compartment, and a drive compartment; - the cable compartment comprising a voltage transformer and a disconnector arrangement operably connected thereto; characterized in that: - wherein the disconnector arrangement is configured to assume one of an ON position and an EARTH position via a non-linear motion that is a combination of motions which are not purely linear, wherein in the ON position the disconnector arrangement electro-mechanically couples the voltage transformer with a feeder busbar that is operably connected to a feeder bushing of the cable compartment, and wherein in the EARTH position the disconnector arrangement electro-mechanically couples the voltage transformer with the sealed enclosure having EARTH potential, characterized in that - the disconnector arrangement comprises a shielded bushing and a rotary bushing operably connected via insulating shafts (105B and 105C), - the shielded bushing is physically rotatably mountable on a voltage transformer bushing of the voltage transformer and is configured to at least partially accommodate therein the voltage transformer bushing, - the shielded bushing comprises an electrically conductive connector arrangement there-within having an electrically conductive contact physically insertable into the voltage transformer bushing and is configured so as to accommodate a L-shaped connector, - the shielded bushing comprises a spring-loaded electrically conductive connection pin operably connected to the electrically conductive contact, the L-shaped connector terminating in the connection pin, and - the spring-loaded electrically conductive connection pin is configured to establish surface contact with the feeder busbar in the ON position of the disconnector arrangement and with the sealed enclosure in the EARTH position of the disconnector arrangement. - a sealed enclosure containing therein a sulfur hexafluoride (SF 6) free insulant at least partially surrounding electrical components (101, 102, 103, and 104) for operating the switching device, wherein the electrical components (101, 102, 103, and 104) comprise a cable compartment, a switching compartment, a busbar compartment, and a drive compartment; - the cable compartment comprising a voltage transformer and a disconnector arrangement operably connected thereto; - wherein the disconnector arrangement is configured to assume one of an ON position and an EARTH position via a non-linear motion that is a combination of motions which are not purely linear, wherein in the ON position the disconnector arrangement electro-mechanically couples the voltage transformer with a feeder busbar that is operably connected to a feeder bushing of the cable compartment, and wherein in the EARTH position the disconnector arrangement electro-mechanically couples the voltage transformer with the sealed enclosure having EARTH potential, characterized in that - the disconnector arrangement comprises a shielded bushing and a rotary bushing operably connected via insulating shafts (105B and 105C), - the shielded bushing is physically rotatably mountable on a voltage transformer bushing of the voltage transformer and is configured to at least partially accommodate therein the voltage transformer bushing, - the shielded bushing comprises an electrically conductive connector arrangement there-within having an electrically conductive contact physically insertable into the voltage transformer bushing and is configured so as to accommodate a L-shaped connector, - the shielded bushing comprises a spring-loaded electrically conductive connection pin operably connected to the electrically conductive contact, the L-shaped connector terminating in the connection pin, and - the spring-loaded electrically conductive connection pin is configured to establish surface contact with the feeder busbar in the ON position of the disconnector arrangement and with the sealed enclosure in the EARTH position of the disconnector arrangement.