Example Applications For Heaviest Starting (Class 30) - Siemens Sirius 3RW44 System Manual

Configuration instructions

2.2.3 Example applications for heaviest starting (Class 30)

Heaviest starting Class 30 (up to 60 s with 350% I
The soft starter to be selected must be two output classes higher than the motor used
Application
Starting parameter
• Voltage ramp and current
limiting
- Starting voltage
- Starting time
- Current limit value
• Torque ramp
- Starting torque
- End torque
- Starting time
• Breakaway pulse
Stopping mode
2-4
),
n motor
Large fan
% 30
s 60
4 x I
M
20
150
60
Deactivated (0 ms)
Coasting down
Notice
These tables provide example set values and device dimensions. They serve as
information only and are not binding. The set values are application-dependent
and must be optimized during commissioning.
Soft starter dimensioning should, if required, be verified with the help of the
Win-SOFTSTARTER program or via the Technical Assistance in Section
Important notes .
Mill Crusher
50 50
60 60
4 x I 4 x I
M
50 50
150 150
60 60
80 %; 300 ms 80 %; 300 ms
Coasting down Coasting down
Disk saw/ribbon saw
30
60
4 x I
M M
20
150
60
Deactivated (0 ms)
Coasting down
SIRIUS 3RW44 manual
GWA 4NEB 535 2195-02 DS 01