Vertically-opening section swtich having a rocking column

摘要

A high voltage section switch of the type includes a female current terminal situated at one end of a first vertical insulating column, a control blade which is hinged at one end of a second vertical insulating column and which carries at its first end a male contact intended to co-operate with the female contact, movement of the blade being provided by a mechanism connected to a rocking insulating column. The hinge between the blade and the second column is provided by means of two levers of different lengths.