Siemens SIRIUS 3RW44 - Application Examples for very Heavy Starting (CLASS 30)

Configuration Instructions
SIRIUS 3RW44 manual
2-4 GWA 4NEB 535 2195-02 DS 06
2.2.3 Application Examples for Very Heavy Starting (CLASS 30)
Note
These tables provide example set values and device dimensionings. 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 necessary, be verified with the help of the
Win Soft Starter program or via the Technical Assistance in the Chapter
"Important Notes" .
Very heavy starting CLASS 30 (up to 60 s with 350 % I
n motor
),
The selected soft starter must have a power class that is 2 classes higher than that of the implemented motor
Application Large fans Mills Crushers Circular saws/ribbon saws
Starting parameters
• Voltage ramp and current
limiting
- Start voltage % 30 50 50 30
- Starting time s
60 60 60 60
- Current limiting value
4xI
M
4xI
M
4xI
M
4xI
M
• Torque ramp
- Start torque 20 50 50 20
- End torque
150 150 150 150
- Starting time
60 60 60 60
• Breakaway pulse
deactivated (0 ms) 80 %; 300 ms 80 %; 300 ms deactivated (0 ms)
Stopping mode
Coasting down Coasting down Coasting down Coasting down