Patent ID: 8890009

Claim:
Disconnector for switchgear, having a first contact position, in which an electrical contact is provided between a main terminal and a first terminal, and a second contact position, in which an electrical contact is provided between the main terminal and a second terminal, the disconnector comprising: a connector body which is moveable in a first direction between the first and second contact positions and provided with an end portion which is extendable in a direction substantially perpendicular to the first direction for providing a contact force between the end portion and the first, second or main terminals, a first operating mechanism which is arranged to move the connector body between the first and second contact positions, and a second operating mechanism which is arranged to extend the end portion of the connector body when the disconnector is in either the first or second contact position, in which the end portion of the connector body is provided with a conical inside surface and the second operating mechanism comprises a first shaft provided with a first conically shaped end body positioned inside the conical inside surface of the end portion of the connector body, in which the connector body has a fixed electrical connection to the main terminal and rotates between the first and second contact positions, in which the second operating mechanism comprises a lever mechanism for extending the end portion into forced contact with either the first or second terminal, and in which the lever mechanism comprises a roller and cam mechanism.