Motor Cable Length And Cross Section - Siemens PM250 Hardware Installation Manual

Connecting

4.5 Motor cable length and cross section

4.5 Motor cable length and cross section
Permissible Cable Length
The use of unshielded motor cables is possible. However to meet C2 EMI class, shielded
cables with appropriate EMI installation are required.
Table 4- 2
 Screened
 Unscreened
Table 4- 3
Frame size
FSC
FSD ... FSF
The control cables must be laid separately from the power cables. The connection must be
carried out as shown in the installation section in this manual, to prevent inductive and
capacitive interference from affecting the correct function of the system.
Note
Ensure that the appropriate circuit-breakers or fuses with the specified current rating are
connected between the power supply and the inverter. The technical data contain
information about the circuit breaker and fuses Auto-Hotspot.
34
The inverters will operate at full specification with cable lengths as follows
25 m (80 ft) for filtered drives
50 m (160 ft) for unfiltered drives
100 m (330 ft) for both filtered and unfiltered drives
Using an output reactor or a sine-wave filter as specified in the catalog, the following
cable lengths are possible
HO power
rating
5.5 kW ...
11 kW
15 kW ...
75 kW
CAUTION
Max. permissable motor cable length using ...
... an output reactor with ...
... screened ... unscreened
cables cables
100 m 150 m
110 yd. 160 yd.
200 m 300 m
220 yd. 330 yd.
Hardware Installation Manual, 09/2012, A5E01003502B AD
... a sine-wave filter with ...
... screened ... unscreened
cables cables
200 m 300 m
220 yd. 330 yd.
200 m 300 m
220 yd. 330 yd.
PM250 Power Module