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6.5.6
Connect the auxiliary voltage
Connect the auxiliary voltage 1-phase 230 VAC / 50 Hz
Connect the auxiliary voltage for SITOP, GSV, closed-loop control, open-loop control – for
example – to the terminal strip. The maximum cross section of the cables is 2.5 mm
With options C30 - C49, the auxiliary voltage can be drawn from the matching transformer. You
will find notes in the circuit manual of the drive.
Connect the auxiliary voltage 3-phase 400 VAC / 50 Hz
1. Connect the auxiliary voltage for fans, precharging, etc. to the terminal block. The maximum
2. To connect the cables, move the cover upward.
3. Attach the cables to the appropriate connections.
For detailed information, see "Terminal strips" and the circuit manual of the drive.
6.5.7
Interconnecting optional connections
Depending on the range of options installed, further connections have to be interconnected.
Detailed information about interconnecting these options with the interfaces is provided in the
circuit manual.
6.5.8
Connecting the re-cooling unit to the drive
Connect the cable provided for the cooling unit to the corresponding interfaces on the drive and
the cooling unit. Further details are contained in the circuit diagram of the drive and the re-
cooling unit.
SINAMICS SM150 6SL3845-2NN41-8AD2
Operating Instructions Rev.201910281310 EXAMPLE
permissible conductor cross-section is 4 mm
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2
Electrical connection
6.5 Connection
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