Electrical Connection; Safety Instructions For Electrical Connections - Siemens SINAMICS SM150 Operating Instructions Manual

Electrical connection

6.1

Safety instructions for electrical connections

When carrying out any work, carefully observe the information provided in Chapter "Safety
instructions (Page 15)".
Danger as a result of an insufficient degree of protection
The degree of protection can be diminished if the cable entries are inadequately sealed, e.g.
after making modifications to the top plate or base plate. Dirt and vermin can enter the device
while it is operational. When operated with an insufficient degree of protection, this can result
in death, serious injury and material damage.
● Close and seal the cable entries corresponding to the degree of protection.
Danger due to defective seals
When working on the device, seals at the doors, roof panels as well as front, rear and side
panels can be damaged. Operation with defective seals can result in death, serious injury or
material damage.
● Replace the defective seals before commissioning. Observe the environmental conditions
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
SINAMICS SM150 6SL3845-7NN42-2AA3 HBIS Shigang WRM NTM
Operating Instructions Rev.202003051222 3005356504
stated in the technical data.
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.
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