Electrical Connection - Siemens SINAMICS S120 Manual

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Figure 5-8
5.2.2.4

Electrical connection

Recommended cable cross-sections:
● For 25 kW: 35 mm²
● For 50 kW: 50 mm²
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 5- 12
Terminal
T1
T2
Max. connectable cross-section: 2.5 mm²
AC Drive
Manual, (GH6), 07/2016, 6SL3097-4AL00-0BP5
Rating plate
Threaded bolt (M10)
T1/T2 screw terminal (2.5 mm
Ground connection (M10)
M50
M12
Dimension drawing, 50 kW/250 kW resistor
Thermostatic switch connection
Function
Thermostatic switch connection
Thermostatic switch connection
)
2
Technical data
Voltage: 250 VAC
Load current: max. 1 A
DC link components
5.2 Chassis
183