IDS offers the ABB softstarter range to compliment variable speed drives and motors.

Softstarters control supply voltage during motor start up but they do not control the frequency of the supply to the motor.

In general energy saving applications for motor control require a variable speed drive.

Advanced PST/B Range    60 A to 1810 A
Fieldbus comms enabled
Many programmable features
Built-in by-pass contactor in PSTB models
Motor protection features
Ramp Start/Stop

Flexible PSS Range    18 A to 515 A
Reduced features
Cost effective

Read more about ABB Softstarters at www.abb.com