Siemens SIMOTICS FD 1MN1 Operating Instructions Manual page 95

Procedure
When connecting, carefully maintain the minimum clearances and creepage distances.
1. Open the terminal box and cut the cable to the correct length.
2. Prepare the end of the cable depending on the cable and its use. It is not permissible that
3. Insulate the conductor ends in such a way that the remaining insulation reaches almost up
4. Make sure the terminal clamps
5. If you have loosened the terminal body clamping bolts
Lug terminal connections may be installed if ordered accordingly, which are suitable for
connecting flexible and stranded conductors without the use of wire end ferrules. If you wish to
SIMOTICS FD 1MN1
Operating Instructions 02/2019
The clips of the 1XB7730/1XB7731 terminal boxes can accept cables with maximum
185 mm² cross-section.
the cable connection is subject to external forces.
to the cable lug.
Insert the cable into the terminal clamps. Tighten the clamping nuts
torque as specified in the following table.
Terminal box
GT640 / 1XB1621 / 1XB1631 / 1XB1634
1XB7730 / 1XB7731
1XB7740 / 1XB7750
Figure 6-10 Connection using terminal clamps (schematic diagram)
following torque:
Terminal box
1XB1621 / 1XB1631 / 1XB1634
GT640 / 1XB7730 / 1XB7731 / 1XB7740 / 1XB7750
For terminal boxes GT640, 1XB7730 and 1XB7731, fasten the terminal element
clamping nut M12 on the threaded stud of the terminal support with a torque of 20 Nm.
③ ④
, are arranged correctly for the size of the conductor.
Electrical connection
6.5 Inserting and routing the cables
⑤
to the tightening
Tightening torque
8 Nm
4 Nm
8 Nm
②
, then retighten them with the
Tightening torque
40 Nm
20 Nm
①
using a
95