Electrical Connection - Siemens SINAMICS S120 Equipment Manual

DC link components
6.2 Chassis
①
②
③
④
⑤
⑥
Figure 6-8
6.2.2.4

Electrical connection

Recommended cable cross-sections:
● For 25 kW: 35 mm² (AWG 2)
● For 50 kW: 50 mm² (AWG 1)
Thermostatic switch
A thermostatic switch is installed to protect the braking resistor against overload. Its floating
contacts must be integrated in the fault chain on the line side.
Table 6- 13
Terminal
T1
T2
Max. connectable cross-section: 2.5 mm² (AWG 14)
186
Rating plate
Threaded bolt (M10)
T1/T2 screw terminal
Ground connection (M10)
M50
M12
Dimension drawing, 50 kW/250 kW resistor
Thermostatic switch connection
Function
Thermostatic switch connection
Thermostatic switch connection
Technical data
Voltage: 240 V AC
Load current: Max. 10 A
Manual, 06/2019, 6SL3097-5AL00-0BP1
AC Drive