The grounding conductor can be connected as follows:
● With stranded cables with cable lugs
● With flat cables with cable end designed accordingly
Connecting the grounding conductor
● Use the connecting terminals designated for the grounding conductor in the terminal box.
● Ensure that the connecting surface is bare and is protected against corrosion using a
suitable substance, e.g. acid-free Vaseline.
● Arrange the flat washer and spring washer under the screw head.
● Check that the maximum permissible clamping thickness of 10 mm for the cable lug or strap
is not exceeded.
● Fasten the clamping screw according to the following table. Screw-in depth and tightening
torque are different depending on whether cable lugs or ground terminals are used.
Screw Screw-in depth Tightening torque
M12 x 25 > 16 mm 38 Nm
M16 x 35 > 20 mm 92 Nm
Tightening torque of bolts with cable lugs
Screw Screw-in depth Tightening torque
M6 > 9 mm 8 Nm
M8 > 12 mm 20 Nm
M10 > 15 mm 40 Nm
Tightening torque of bolts with ground terminals
6.3 Inserting and routing the cables
6.3.1 Connecting the machine for a specific direction of rotation
The technical data stipulate the following with respect to the motor connection:
● Direction of rotation
● The number and arrangement of the terminal boxes
● The circuit and connection of the motor winding
Electrical connection
6.3 Inserting and routing the cables
SIMOTICS HV C 1NA14544WA600AG0-Z
54 Operating Instructions 06/2018
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