Siemens SINAMICS G120X - Cable Cross-Sections and Screw Tightening Torques

4.1.4.3 Cable cross-sections and screw tightening torques
Converter Terminal/
connector
type
Terminal/connector
type
Cable cross-section Screw tightening
torque
Stripped insula‐
tion length
FSA Line, motor,
PE and DC
link
Line, mo‐
tor, PE
and DC
link
Screw-
type ter‐
minal
1.5 ... 2.5 mm
2
, 16 ... 14 AWG 0.5 Nm, 4.4 lbf.in 9 ... 10 mm
FSB 1.5 ... 6 mm
2
, 16 ... 10 AWG 1.3 Nm, 11.5
lbf.in
12 ... 13 mm
FSC 1.5 ... 16 mm
2
, 16 ... 6 AWG 1.3 Nm, 11.5
lbf.in
12 ... 13 mm
FSD Line, motor,
and PE
10 ... 35 mm
2
, 8 ... 2 AWG 4.5 Nm, 39.8
lbf.in
18 mm
DC Link 16 mm
2
, 6 AWG 1.7 Nm, 15 lbf.in
FSE Line, motor,
and PE
25 ... 70 mm
2
, 4 ... 3/0 AWG 10 Nm, 88.5 lbf.in 25 mm
DC Link 26.7 ... 35 mm2 , 3 ... 2 AWG 3.7 Nm, 33
lbf.in
1)
1) For converters FSE 690 V, the tightening torque is 4.5 Nm (40 lbf.in).
Convert‐
er
Terminal/connector type Terminal/connector type Cable cross-section Screw tighten‐
ing torque
FSF Line, motor,
and PE
Cable lug ac‐
cording to
SN71322 for
M10 bolts
Line, motor and
PE
Cable lug ac‐
cording to
SN71322 for
M10 bolts
35 mm² ... 2 × 120 mm
2
2 … 2 × 4/0 AWG
22 ... 25 Nm
194.7 ...
221.3 lbf.in
DC link
FSG Line, motor,
and PE
35 mm² ... 2 × 185 mm
2
2 ... 2 × 350 MCM
50 Nm
442.5 lbf.in
Convert‐
er
Terminal/connector type Cable cross-section Screw tighten‐
ing torque
FSH Line, mo‐
tor and DC
Cable lug ac‐
cording to
DIN 46234
for M12
screws
1)
Max. 4 × 240 mm
2
, 4 × 500 MCM 50 Nm
442.5 lbf.in
@ 400 V @ 480 V
Recommen‐
ded
315 kW Line 2 × 240 mm² 2 ×185 mm²
Motor 2 × 185 mm² 2 × 150 mm²
DC 2 × 185 mm
2
2 × 150 mm²
355 kW Line 3 × 150 mm² 2 × 240 mm²
Motor 2 × 240 mm² 2 × 185 mm²
DC 2 × 240 mm
2
2 × 185 mm²
400 kW Line 3 × 185 mm² 2 × 240 mm²
Motor 2 × 240 mm² 2 × 240 mm²
DC 3 × 150 mm
2
2 × 240 mm²
Wiring
4.1 Line supply and motor
SINAMICS G120X converter
94 Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC