User-dened application
To create a user-dened application, perform the following steps:
1. Choose menu item "User dened" and modify the parameters as you require them.
Conrm your input with the OK key.
2. Choose menu item "Reset default parameter".
Conrm your input with the OK key.
3. To save the application parameters, exit the menu with the ESC key and conrm the user
information "Save application parameter?" with the OK key.
The application parameter has been saved. You can reset to the default parameters of the
user-dened application with the menu item "Set default parameter" or with the factory
setting of the 3RW55 or 3RW55 Failsafe soft starter.
Result
The parameterization has been performed for the selected application. You can make changes
to parameters at any time in the "Parameters" menu.
6.4 Suggested settings of the application wizard
Parameter Small ventilator (fan) Big ventilator (fan) Pump
Rated operational current I
e
Rated operational current I
e
of the 3RW55 or 3RW55 Failsafe soft starter used
Starting mode Voltage ramp + Current limit‐
ing
Torque control + Current lim‐
iting
Voltage ramp + Current limit‐
ing
Current limiting value 400% 400% 400%
Starting voltage 40% Not relevant 40%
Ramp up time 4 s 40 s 10 s
Starting torque Not relevant 30% Not relevant
Limiting torque Not relevant 150% Not relevant
Stopping mode Coasting down Coasting down Pump stopping mode
Stopping time Not relevant Not relevant 10 s
Stopping torque Not relevant Not relevant 10%
Trip class CLASS 10E CLASS 30E CLASS 10E
Parameter Hydraulic pump Compressors Conveyor belts
Rated operational current I
e
Rated operational current I
e
of the 3RW55 or 3RW55 Failsafe soft starter used
Starting mode Voltage ramp + Current limit‐
ing
Torque control + Current lim‐
iting
Torque control
Current limiting value 400% 400% Not relevant
Starting voltage 40% Not relevant Not relevant
Ramp up time 10 s 4 s 10 s
Starting torque Not relevant 50% 70%
Limiting torque Not relevant 150% 150%
Parameter assignment
6.4 Suggested settings of the application wizard
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006 93