Cable Cross-Sections And Screw Tightening Torques - Siemens SINAMICS G120XA Operating Instructions Manual

Wiring
4.1 Line supply and motor
For converter FSH, you must make openings on the cable entry protection cover for the line and
motor connections according to the diameter of the cable to be introduced.
After the cables are connected, you must re-attach the covers in order to re-establish the touch
protection of the converter (screw tightening torque: 6 Nm/53 lbf.in).
Electric shock if the cable entry protection cover is not cut correctly
A cable entry protection cover which is not cut correctly may lead to dangerous touch voltage
which can result in serious injury or death.
● Make proper openings on the cover according to the required cable diameter in order to
Electric shock due to no prevention from touching the power connection terminals
No cable entry protection is available for frame size J which may lead to dangerous touch
voltage.
● The converter must be built in an enclosure of degree of protection IP20 at least, and
4.1.4.3

Cable cross-sections and screw tightening torques

Converter Terminal/connector type
frame size
FSA Line, motor
and PE
FSB
FSC
FSD Line, motor
and PE
FSE Line, motor
and PE
FSF Line, motor
and PE
FSG Line, motor
and PE
72
WARNING
ensure degree of protection IP20.
WARNING
prevention measures against electric shock must be adopted.
Screw-type termi‐
nal
Screw-type termi‐
nal
Screw-type termi‐
nal
Cable lug accord‐
ing to SN71322 for
M10 bolts
Cable lug accord‐
ing to SN71322 for
M10 bolts
Cable cross-section
1.5 ... 2.5 mm 16 ... 14
2
AWG
1.5 ... 6 mm 16 ... 10
2
AWG
1.5 ... 16 mm 16 ... 6
2
AWG
10 ... 35 mm 8 ... 2 AWG 4.5 Nm
2
25 ... 70 mm 4 ... 3/0
2
AWG
35 ... 2 × 120 2 ... 2 × 4/0
mm AWG
2
35 ... 2 × 185 2 ... 2 × 350
mm MCM
2
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
Screw tightening torque
- Nm (lbf.in)
0.5 Nm 4.4 lbf.in
1.3 Nm 11.5 lbf.in
1.3 Nm 11.5 lbf.in
39.8 lbf.in
10 Nm 88.5 lbf.in
22 ... 194.7 ...
25 Nm 221.3 lbf.in
50 Nm 442.5 lbf.in --
SINAMICS G120XA converter
Stripped in‐
sulation
length (mm)
9 ... 10 mm
12 ... 13 mm
12 ... 13 mm
18 mm
25 mm
--