1SFC132005C0201, rev.F | Softstarters 15
The PSS Softstarter can be selected
according to the rated motor power
in normal duty applications like
pumps, compressors, elevators,
escalators, short conveyor belts and
bow thrusters. See page 18-19.
For heavy duty applications like
centrifugal fans, crushers, mixers,
mills, stirrers and long conveyor belts,
select a softstarter from page 20-21.
In-Line and Inside Delta connection
of PSS18/30 … PSS300/515
58 A
100 A
Inside Delta
100 A
100 A
In-Line
PSS – The flexible range
Description
Settings
Screw mounting
Built-in signal relays
for fault and by-pass
Possibility to connect external
current transformer for current
limit function
Transparent lid to
protect the settings
LED indications:
•
Power supply on
•
Completed start ramp
•
General fault
(motor side or unit)
•
External fault
Clear markings on the front
Uini
3
Start
1
Stop
2
Uend
3
Ramp time START = 1 ... 30 sec
Ramp time STOP = 0 ... 30 sec
Initial voltage U
ini
and end voltage = 40 ... 70 %
Level of current limit = 1.5 ... 4xI
e
.
When current limit is used, initial voltage and
end voltage is fixed at 40 %
Switch for In-line or Inside Delta connection
3
2
1
4
1SFT 98899-031
3
2
1
4