Control lever 774e

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