Patent ID: 8193467

Claim:
An insulator for positioning an electrical conductor in a gas chamber in a housing of a gas-insulated switchgear assembly, comprising: an electrically insulating carrier element having a disc-shaped portion with first and second opposing sides and at least one through-hole for passing through an electrical conductor, wherein the carrier element includes, at least one notch for accommodating a clamp element is arranged on an outer circumference of the carrier element at least one point, and a groove for accommodating a sealing ring, formed in at least one of the first and second sides closer to the outer circumference than the at least one through-hole, wherein an electrically conductive contact element for connecting a phase conductor is inserted into the through-hole, the contact element protruding beyond at least one side of the carrier element, the contact element having at least one of a plug-type contact and screw-type contact, and an axial inner bore for gas exchange.