Connecting Cables Without Cable Lugs; Figure 6-9 Connection With Cable Lug And Fixing Screw (Schematic Diagram) - Siemens SIMOTICS FD 1LL1 Operating Instructions Manual

3. Fasten the cable lug to the end of the conductor correctly, e.g. by squeezing.
4. Insulate the cable lug sleeves where necessary to ensure minimum air clearances and the
5. Place the cable lug on the terminal support. If you are using a disconnecting link, check its
6. Tighten the fixing element
Note
You can find more information in Chapter 2 of catalog D81.8.
6.5.5

Connecting cables without cable lugs

Lug terminal connections - which are suitable for connecting flexible and stranded conductors
without the use of wire end ferrules - may be installed if ordered accordingly. If you wish to use
conductor end sleeves, then correctly crimp these onto the end of the conductor before
connecting up.
NOTICE
Overheating of the conductor ends
If the end of the conductor is not correctly enclosed by the wire end ferrule, but is trapped by
it, this can lead to overheating.
● Insert only one conductor end into each wire end ferrule, and attach the wire end ferrule
● Insert only one conductor end into each terminal.
SIMOTICS FD 1LL1
Operating Instructions 01/2019
Figure 6-9 Connection with cable lug and fixing screw (schematic diagram)
creepage distance are maintained.
positioning.
For terminal boxes 1XB7740 and 1XB7750, place the cable lug on the busbar.
Fixing element
Fastening screw M12
Fixing screws M16
Fixing nuts M12
correctly.
②
with the corresponding tightening torque:
Electrical connection
6.5 Inserting and routing the cables
Tightening torque
20 Nm
40 Nm
20 Nm
83