Siemens Sinamics V20 Operating Instructions Manual page 7

Terminal description
Recommended cable cross-sections and screw tightening torques
Frame Rated output
size power
400 V
A 0.37 to 0.75 kW
1.1 to 2.2 kW
B 3.0 to 4.0 kW
C 5.5 kW
D 7.5 kW
11 to 15 kW
230 V
A 0.12 to 0.25 kW
0.37 to 0.55 kW
0.75 kW
B 1.1 to 1.5 kW
C 2.2 to 3.0 kW
* With a UL-certified, suitable fork crimp
NOTICE
Damage to the mains terminals
During electrical installation of the inverter frame size A / B, use stranded cables / cables with UL-certified, suitable fork
crimps rather than solid cables / cables with pin crimps for mains terminal connection.
Getting Started
A5E31842771, 02/2013
Mains and PE terminals
Cable cross- Screw tightening torque
section (tolerance: ± 10%)
1.0 mm 1.0 Nm
2
1.5 mm
2
2.5 mm
2
4.0 mm 2.4 Nm
2
6.0 mm
2
10 mm
2
1.5 mm 1.0 Nm
2
2.5 mm
2
4.0 mm
2
6.0 mm *
2
10 mm 2.4 Nm
2
Motor / DC / braking resistor / output earth
terminals
Cable cross- Screw tightening torque
section (tolerance: ± 10%)
1.0 mm 1.0 Nm
2
1.5 mm
2
2.5 mm 1.5 Nm
2
4.0 mm 2.4 Nm
2
6.0 mm
2
10 mm
2
1.0 mm 1.0 Nm
2
2.5 mm 1.5 Nm
2
4.0 mm 2.4 Nm
2
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