Electrical Connections
4
4.1
4.1
Power cable
Caution
The synchronous motors are not designed to be directly connected to the line supply and
may only be operated with the associated SIMODRIVE 611 or SIMOVERT
MASTERDRIVES MC drive converters.
Carefully observe the rating plate data and adequately dimension the connecting cables (the
appropriate tables are provided in the Instructions) and ensure that the cables are
adequately strain relieved.
For safety-relevant circuits, each individual application must be carefully checked as to
whether the internal control devices in the drive converter are adequate to provide the
appropriate electrical isolation from the line supply.
All work should be undertaken only with the system in a no-voltage condition!
Cross-sections
Table 4-1 Current load capability acc. to EN 60204-1 for PVC insulated cables with copper
conductors for an ambient temperature of 40 °C and routing type C (cables and
conductors routed along walls/panels and in cable ducts).
I
rms
[A] Cross-section required
Remarks
15.2 1.5
21 2.5
28 4
36 6
50 10
66 16
84 25
104 35
123 50
155 70
Correction factors with reference to the ambient
temperature and routing type are specified in
EN60204-1.
[mm
2
]
rms current:
1FT5:
l
rms
=
l
0
∙
(at standstill:
l
rms
=
l
0
!)
1FT6/1FK☐:
l
rms
=
l
0
General Section for Synchronous Motors
Configuration Manual, (PJAL), 11.2005 Edition, 6SN1 197-0AD07-0BP4
4-1
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