Siemens 3RW4038-2BB05

The Siemens 3RW4038-2BB05 is a SIRIUS soft starter designed for smooth motor startup with a current rating of 72 A. It supports motors up to 45 kW at 500 V and operates reliably within a voltage range of 400 to 600 V AC, even in ambient temperatures up to 40 °C. This model features 24 V AC/DC control voltage and uses spring-type terminals for secure and straightforward wiring. Distributed by BSP Automation, this soft starter is a solid choice for applications that require controlled motor acceleration to reduce mechanical stress and enhance operational efficiency.