6.4
Electrical requirements
Table 6-1
Dimensioning cables
Object
Length
Cable length (motor side)
100 m with one or two parallel ca‐
bles;
80 m with 3 or 4 cables in parallel
Cables must be shielded
1,000 m with output reactor (op‐
tion L08)
Capacitance per unit length max.
0.45 µF/km
Cable length (line side)
70 m
Table 6-2
Cable cross-sections
Object
Cross-section
Comments
Power cable
Max. 240 mm
2
Two per terminal (Basic Line Module)
Three per terminal (Motor Module)
Cabinet protective conductor
Max. 120 mm²
-
See also
6.5
Connection
6.5.1
Manually unlocking power-unit doors
To ensure operator protection, the drive is equipped with an electromechanical door
interlocking system. The doors cannot be opened until the make-proof grounding switch has
been closed. In the event of a complete voltage failure including failure of the auxiliary voltage,
the doors cannot be released via the grounding switch.
Because the drive is not yet connected, the doors are locked electromechanically. In order to
facilitate assembly and installation of the drive, the doors can be opened manually.
See also
Electrical connection
6.5 Connection
SINAMICS SM150 6SL3810-7NN38-0AA1
Operating Instructions Rev.201910281406 EXAMPLE
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