Description
The Siemens 3RW4046-2TB05 is a high-quality SIRIUS soft starter engineered to provide smooth and controlled starting for 3-phase AC motors. With a power rating of 55 kW and an operating voltage range of 400 to 600V AC, this starter is suitable for a wide array of industrial applications. It significantly reduces mechanical stress on drive components and electrical strain on the power supply during startup.
This Siemens 3RW4046-2TB05 soft starter incorporates advanced control technology to optimize the starting ramp, minimizing inrush currents and preventing voltage dips. Its robust IP20 rated design ensures protection against accidental contact and reliable performance in typical industrial environments. The starter is built for longevity.
Ideal for applications such as pumps, fans, conveyors, and compressors where gradual motor acceleration is beneficial, the Siemens 3RW4046-2TB05 helps to extend the lifespan of motors and connected equipment. It contributes to increased operational efficiency and reduced maintenance costs.
Choose the Siemens 3RW4046-2TB05 for reliable and efficient motor starting. This SIRIUS soft starter ensures smooth operation and protects your valuable motor assets.







