Siemens SIRIUS 3RW50 Manual page 120

Functions
7.1 Soft starting
Torque curve
①
②
③
④
⑤
120
Torque with direct-on-line starting without 3RW50 soft starter
Torque with short ramp up time
Torque with long ramp up time
Torque of the load
Acceleration torque = Difference of activation torque and torque of load
SIRIUS 3RW50 soft starter
Manual, 09/2019, A5E35628455002A/RS-AA/001