Laying Cables; Connecting Cables With Cable Lugs; Figure 6-9 Connection With Cable Lug And Fixing Screw (Schematic Diagram) - Siemens SIMOTICS FD 1MQ1 Operating And Installation Instructions

6.5.4

Laying cables

● Lay the cables in accordance with IEC/EN 60364-5-52.
● For fixed cables, use EMC- and Ex-certified cable glands with strain relief. Screw the cable
● For loose cables, use twist-protection cable glands with strain relief.
● Use shielded cables whose shields are conductively connected to a large area of the
● Arrange the exposed connecting cables in the terminal box so that the PE conductor has
● In the case of aluminum connecting bars, insert a steel washer between the cable lug and
● Correctly close and seal threads or holes that are not being used ensuring that the IP degree
6.5.5

Connecting cables with cable lugs

1. Select the cable lugs according to the required cable cross-section and fixing screw or stud
2. Remove the insulation from the conductor ends so that the remaining insulation reaches
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
SIMOTICS FD 1MQ1
Operating Instructions 01/2019
glands into the threaded holes in the entry plate, which can be unscrewed. The cable glands
are not included in the scope of supply.
Comply with the installation and operation conditions specified in the certificate for these
cable glands and check that they have been fully complied with.
terminal box of the motor via EMC cable glands.
excess length and the insulation of the cable strands cannot be damaged.
the connecting bar. This prevents contact corrosion.
of protection is maintained. The IP degree of protection is specified on the rating plate.
Replace the cable glands that are not being used by appropriately certified screw plugs.
size. Information about the maximum cross-section for the respective standard terminal box
design can be found in the catalog.
A sloped/angular arrangement of the supply cables is only permitted provided the required
minimum air clearances are met.
almost up to the cable lug
Figure 6-9 Connection with cable lug and fixing screw (schematic diagram)
creepage distance are maintained.
①
. Connect only one conductor per cable lug.
Electrical connection
6.5 Inserting and routing the cables
83