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Electrical connection
6.1 Safety instructions for electrical connections
Injury caused by short circuit
Damaged cables, or their improper routing, can cause damage to property and personal injury.
● Only use cables that are completely intact and not damaged. Correctly route the cables. Do
● Make sure that a short-circuit cannot occur on the power cables due to failure of the
● Check the electrical connections after service work.
Danger caused by incorrect cable routing
Failure to use the supplied cable ducts for laying the cables can lead to flashovers. This can
result in death, serious injuries or material damage.
● To connect the cables between the cabinets, use the cable ducts and the cable entries on
Material damage caused by parts that can be magnetized
The use of magnetizable parts, e.g. ferrous cable clamps, is not permitted. Using parts and
components that can be magnetized can cause damage.
● Only use parts that consist of non-magnetic material.
Damage caused by incorrectly shrinking cable terminations
If you are connecting the mains and motor-side power cables, when shrinking the cable
terminations, other control lines and fiber-optic cables in the surrounding cable channels can
become damaged.
● When shrinking, ensure not to damage cables in the surrounding cable channels.
Damage caused by incorrectly opening the doors
You can damage the locking mechanism if you open the doors incorrectly.
● Open the doors as described in Section "Preparing for use".
Note
Control and signal lines must always be connected according to the circuit diagrams supplied
with the unit. Detailed information about connecting the components is given in the
interconnection diagram.
Note
We recommend using shielded cables. Unshielded cables can transfer disturbances to the
control and signal lines and lead to malfunctions in the drive.
100
not interchange input and output terminals.
insulation as a result of incorrect cable installation.
the roof. Lead the cables from here to the next cabinet.
SINAMICS SM150 6SL3815-7NP41-0AA1
Operating Instructions Rev.201910281301 EXAMPLE
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