Convert‐
er
Terminal/connector type Cable cross-section Screw tighten‐
ing torque
FSJ Line, mo‐
tor and DC
Cable lug ac‐
cording to
DIN 46234
for M12
screws
1)
Max. 450 kW
…
560 kW
Line 6 × 240 mm
2
, 6 × 500 MCM 50 Nm
442.5 lbf.in
450 kW Motor, DC 4 × 240 mm
2
, 4 × 500 MCM
500 kW,
560 kW
Motor 8 × 240 mm
2
, 8 × 500 MCM
DC 4 × 240 mm
2
, 4 × 500 MCM
@ 400 V @ 480 V
Recommen‐
ded
450 kW Line 4 × 185 mm² 4 × 120 mm²
Motor 4 × 150 mm² 4 × 120 mm²
DC 4 × 120 mm
2
3 × 120 mm²
500 kW Line 4 × 185 mm² 4 × 150 mm²
Motor 4 × 185 mm² 4 × 150 mm²
DC 4 × 150 mm
2
3 × 150 mm²
560 kW Line 4 × 240 mm² 4 × 185 mm²
Motor 4 × 240 mm² 4 × 150 mm²
DC 4 × 185 mm
2
3 × 185 mm²
1)
Alternative copper busbars can be used for line and motor connections. Make sure that you use copper busbars of the same
cross-sections as the connecting busbars of the converter itself (FSH: 64 mm × 8 mm; FSJ: 80 mm × 8 mm).
4.1.4.4 Cable lug
For cable connections using cable lugs, the maximum dimensions of the cable lugs are listed
in the table below. These cable lugs are not to exceed these dimensions, as mechanical
fastening and adherence to the voltage distances is not guaranteed otherwise.
Converter
frame size
Screw/bolt Cable cross-sec‐
tion (mm
2
)
a (mm) c (mm) d1 (mm) d (mm) l (mm)
FSF M10 120 26 22 10.5 32 59.5
FSG 185 30 27 10.5 39 72.5
FSH/FSJ M12 240 32 23.5 13 42 92
The cable lugs can be attached as shown in the following diagram if, at one connection per
phase, two cable lugs can be connected.
Wiring
4.1 Line supply and motor
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC 95