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Siemens SIRIUS 3RW4201-8RB25-1KW0 Soft Starter

Siemens SIRIUS 3RW4201-8RB25-1KW0 Soft Starter for controlled motor start.

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ManufacturerSiemens
Part number3RW4201-8RB25-1KW0
Type Soft Starter
Series SIRIUS
Main Circuit Current 75 A
Main Circuit Voltage 200-400 V AC
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12-month warranty
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Worldwide delivery
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Veteran-owned
CAGE: 9NK75
Controlled motor starting Reduced mechanical stress Reduced electrical stress Soft ramp-up Motor protection features

The Siemens 3RW4201-8RB25-1KW0 is a SIRIUS Soft Starter designed for smooth and controlled starting of three-phase motors. This soft starter helps to reduce mechanical stress on machinery and electrical stress on the power supply by gradually increasing the motor's voltage during startup. It is rated for a main circuit current of 75A and operates within a voltage range of 200-400V AC.

This soft starter is essential for applications requiring controlled motor acceleration, such as conveyor systems, pumps, fans, and compressors. By mitigating high inrush currents and torque shocks, it extends the life of motor and driven equipment, improves system reliability, and can contribute to energy savings by optimizing startup processes.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4201-8RB25-1KW0 SIRIUS Soft Starter. We are committed to providing reliable and cost-effective surplus industrial automation components. Equip your systems with quality parts from Stanlo Automation and ensure the efficient and prolonged operation of your motor-driven machinery.

TypeSoft Starter
SeriesSIRIUS
Main Circuit Current75 A
Main Circuit Voltage200-400 V AC
Motor Power37 kW at 400V
Control Voltage24 V AC/DC
Conveyor systems
Pump control
Fan control
Compressors
Machine tools
Industrial motor applications
Three-phase AC motors, Siemens control systems
Siemens SIRIUS soft starter 3RW4201 starter Siemens motor soft starter
This soft starter is designed to replace direct-on-line starters or older soft starter models, providing advanced control and protection for three-phase motors within its specified ratings.
Expert tip
Ensure the control voltage is correctly wired for the Siemens 3RW4201-8RB25-1KW0 soft starter, typically 24V AC/DC, to enable proper operation and diagnostic functions.
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What are the main benefits of using the Siemens 3RW4201-8RB25-1KW0 soft starter?
The Siemens 3RW4201-8RB25-1KW0 soft starter provides controlled motor acceleration, which reduces mechanical stress on machinery and electrical stress on the power grid by limiting inrush current. This leads to extended equipment life and improved system reliability.