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Siemens 3RW4201-8RB25-4SW0 — Soft Starters

Siemens 3RW4201-8RB25-4SW0

MPN3RW4201-8RB25-4SW0

SIRIUS soft starter with brake function integrated in motor, IP54 29 A, 15 kW/400 V, 40 °C 400-575 V AC, 24 V DC plug-in connection Multi-unit packaging for SD in mesh box

$1,143.00Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

Identification

3RW4201-8RB25-4SW0 — Identification
ParameterValue
Product designationsoft starters for standard applications
Product brand nameSIRIUS

Power & Motor Rating

3RW4201-8RB25-4SW0 — Power & Motor Rating
ParameterValue
Rated operational current at 40 °C29A
Minimum settable current (% of Ie)15%

Control & Connection

3RW4201-8RB25-4SW0 — Control & Connection
ParameterValue
Control supply voltage typeAC/DC
Rated voltage at 50 Hz24V
Rated voltage at 60 Hz24V
Main circuit terminal typetab connection
Operating frequency tolerance (max.)10%
Operating frequency tolerance (min.)-10%

Protection & Features

3RW4201-8RB25-4SW0 — Protection & Features
ParameterValue
Motor overload protectionNo
Thermistor motor protectionYes
Inside-delta connectionNo

Mechanical

3RW4201-8RB25-4SW0 — Mechanical
ParameterValue
Height187mm
Width252mm
Depth85mm

Environmental

3RW4201-8RB25-4SW0 — Environmental
ParameterValue
Operating temperature range-25 ... +40°C
MPN
3RW4201-8RB25-4SW0