Control lever 774e

for the operation of indoor switchgears in mediumvoltage cubicle. The max. torque of the plug-in leverdrives is 200 Nm.The cranks are serrated on the side, 12° steps. Thedrive has a blocking lever and a removeable plug-inlever.The operating crank is 16 x at 12° to adjust and is flexible for all rod position.Disconnecting and load-break switches in ON-positionThe connecting rod should form an acute angle to theclamping crank of the switching shaft; and an obtuseangle to the actuating crank (Fig. 1 and 1a)Power circuit-breakers in OFF-positionThe connecting rod should form an acute angle to theactuating crank, and to the clamping crank of the switching shaft, however, an obtuse angle (Fig. 2 and 2a)Earthing switches in ON-positionThe connecting rod should form an acute angle to theactuating crank and an obtuse angle to the clampingcrank of the earthing switch shaft