Table 6-2 Cable cross-sections
Object Cross-section Comments
Power cable Max. 240 mm
2
Max. six parallel power cables
Cabinet protective conductor Max. 120 mm² -
See also
Torques (Page 170)
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
Opening the doors (Page 160)
6.5.2 Preparations for connecting the power cables
● Disconnect the cabinets from the power supply.
● Ensure that all the necessary safety measures have been taken at the installation location.
● Allow unimpeded access to the cable clamping bar in the cabinets.
6.5.3 Connecting power cables
Note
The screws and accessories are not included in the scope of delivery.
Electrical connection
6.5 Connection
SINAMICS SM150 6SL3845-7NN46-7AA0
Operating Instructions 04/2017 113
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