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Electrical connection
6.5 Connection
Figure 6-4
6.5.3
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.
6.5.4
Connecting power cables
①
Figure 6-5
1. Clean the contact surfaces immediately before screwing the connections. Use spirit and a
2. Apply a thin film of grease. Electrolube 2G is a suitable lubricator.
3. Screw the cable lug with a M12 screw and, if necessary, with a washer to the contact
88
Grounding lug
Contact surface
Example: Connecting the power cables
lintless cloth for cleaning.
surface. Tighten the nuts with a torque of 50 Nm.
SINAMICS SM150 6SL3845-2NN41-8AD2
Operating Instructions Rev.201910281310 EXAMPLE
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