Siemens 3RW44 - Application Examples for Normal Starting (CLASS 10)

Configuration instructions
3.2 Startup class
3RW44 soft starters
22 Manual, 03/2017, NEB535219502000/RS-AB/008
3.2.1
Application examples for normal starting (CLASS 10)
Normal starting CLASS 10 (up to 20 s with 350 % I
n motor
)
The soft starter rating can be selected to be as high as the rating of the motor implemented.
Application
Conveyor belts
Roller
conveyors
Compressor
Small fans
Pump
Hydraulic
pumps
Starting parameters
Voltage ramp
and current
limiting
• Starting
voltage %
70 60 50 30 30 30
• Starting
time s
10 10 10 10 10 10
• Current
limiting
value
Deactivated Deactivated 4 x I
M
4 x I
M
Deactivated Deactivated
Torque ramp
• Starting
torque
60 50 40 20 10 10
• End torque
150 150 150 150 150 150
• Starting
time
10 10 10 10 10 10
Breakaway
pulse
Deactivated
(0 ms)
Deactivated
(0 ms)
Deactivated
(0 ms)
Deactivated
(0 ms)
Deactivated
(0 ms)
Deactivated
(0 ms)
Coasting
method
Soft stop Soft stop Coasting down Coasting down Pump stop Coasting down