4.9.7 Maximum permissible motor cable length
Table 4-8 Maximum permissible motor cable lengths for FSAA…FSC
1) 2)
Converter
frame size
EMC category: Sec‐
ond environment,
C2 or C3
No EMC category
Converter with l‐
ter
Converter with l‐
ter and without out‐
put reactor
Converter without
lter and without
output reactor
Converter without
lter, with an out‐
put reactor
with shielded mo‐
tor cable
Shielded Unshiel‐
ded
Shielded Unshiel‐
ded
Shielded Unshiel‐
ded
FSAA 25m
3)
50m 100m 150m
4)
150m 150 m
5)
225 m
5)
FSA… FSC 25 m
3)
50m 100m 150 m 150 m 150 m
5)
225 m
5)
1)
The values are valid for a pulse frequency set at the factory
2)
For operation in conjunction with a residual current protective device: shielded 15 m, unshielded 30 m
3)
When using a low-capacitance motor connection cable: FSAA…FSB: 50m, FSC: 100m
4)
Exception for 2.2kW: 125m with standard motor cable, 150m when using a motor cable with low
capacitance
5)
For a line voltage 440V…415V: shielded 100m, unshielded 150m
Table 4-9 Maximum permissible motor cable lengths for FSD…FSF
1) 2)
Converter
frame size
EMC category: Second
environment, C2 or C3
No EMC category
Converter with lter Converter with or with‐
out lter, without output
reactor
Converter without lter,
with two output reactors
in series
with shielded motor cable Shielded Unshielded Shielded Unshielded
FSD, FSE
3)
150 m 200 m 300 m 350m 525m
FSF
3)
150 m 300 m 450 m 525m 800m
1)
The values are valid for a pulse frequency set at the factory
2)
For operation in conjunction with a residual current protective device: shielded 50 m, unshielded 100 m
3)
The specied motor cable lengths apply for a line voltage of 400V
Installing
4.9Connect the line supply, motor and braking resistor
SINAMICS G120C Converters
80 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK