Siemens SINAMICS DCM Operating Instructions Manual page 79

Electric shock due to non-fused electrical connections
The following electrical connections between the power unit (line voltage) and the
electronics are affected:
• Secondary sides of the firing pulse transformers
• Voltage sensing devices
• Fuse monitoring equipment
All these cables must be routed according to the criteria for routing unprotected active
cables.
• Route the cables between the plates so that a ground fault or short-circuit can be ruled
• Comply with local installation regulations, which allow this fault to be ruled out.
• Protect the cables from mechanical damage.
• Apply one of the following measures:
SINAMICS DCM Control Module
Operating Instructions, 12/2018, A5E34888669A
WARNING
out.
– Use cables with double insulation.
– Observe adequate clearances, e.g. through the use of spacers.
– Route the cables in separate cable ducts or pipes.
6.4 Connecting the external power unit
Connecting
77