Series HGE geared cam limit switches are universal, mechanical switchgear for general industrial applications. They consist of a reduction gear set and one or two contact spaces taking the switching contacts and the assigned cam discs. The reduction gears reduce a high number of rotations transferred to the gear limit switch's input shaft to a max angle of 320° at the cam disc (on 40° cam discs . The adjustable cam discs then actuate the mechanical switching contacts.