4. Make sure the terminal clamps
③
,
④
are arranged correctly for the size of the conductor.
Insert the cable into the terminal clamps. Tighten the clamping nuts
⑤
to the tightening
torque as specified in the following table.
Terminal box
Tightening torque
GT640 / 1XB1621 / 1XB1631 / 1XB1634
8 Nm
1XB7730 / 1XB7731
4 Nm
1XB7740 / 1XB7750
8 Nm
Figure 6-10 Connection using terminal clamps (schematic diagram)
5. If you have loosened the terminal body clamping bolts
②
, then retighten them with the
following torque:
Terminal box
Tightening torque
1XB1621 / 1XB1631 / 1XB1634
40 Nm
GT640 / 1XB7730 / 1XB7731 /
1XB7740 / 1XB7750
20 Nm
For terminal boxes GT640, 1XB7730 and 1XB7731, the terminal element
①
is fastened
using a terminal nut M12 on the threaded stud of the terminal support with a torque of 20 Nm.
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
Electrical connection
6.5 Inserting and routing the cables
SIMOTICS FD 1MH1
Operating Instructions 08/2017
97
Summary of Contents for SIMOTICS FD 1LL1
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