A soft starter limits inrush current and torque when an AC induction motor is started, ramping voltage up over a set time instead of connecting the motor directly across the line. Soft starters sit between full-voltage motor starters and variable frequency drives: they control the start and stop of the motor, but not its running speed.
137 products
Siemens 3RW3027-1BB04
$921.00
Siemens 3RW3028-1BB04
$814.00
Siemens 3RW3036-1BB14
$2,987.00
Siemens 3RW4024-1BB04
$720.00
Siemens 3RW4024-1BB14
$927.00
SIEMENS 3RW4026-1BB04
$762.00
Siemens 3RW4026-1BB14
$830.00
Siemens 3RW4027-1BB04
$860.00
Siemens 3RW4027-1BB14
$960.00
Siemens 3RW4028-1BB04
$1,100.00
Siemens 3RW4028-1BB14
$1,712.00
Siemens 3RW4036-1BB04
$900.00
Siemens 3RW4036-1BB14
$1,030.00
Siemens 3RW4037-1BB04
$1,724.00
Siemens 3RW4037-1BB14
$1,120.00
Siemens 3RW4046-1BB14
$1,782.00
Siemens 3RW4047-1BB14
$1,000.00
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Related families and series
Product families
What are soft starters?
What Palm Parts Solution carries in this category
This category groups the soft starter lines currently listed in our catalog:
- Allen-Bradley 150 SMC — SMC-3, SMC Flex and related Smart Motor Controller units.
- ABB PSE / PST / PSTX / PSR — ABB's softstarter range for general purpose and heavy-duty starting.
- Siemens SIRIUS 3RW — 3RW30, 3RW40 and 3RW44 soft starters.
Ratings, control voltage and bypass configuration vary by part number. Confirm the exact catalog number against your application before ordering, and request a quote for pricing and availability.
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