Siemens 3RW4056-6BB45

The Siemens catalog number 3RW4056-6BB45 refers to a soft starter designed to manage motor startup by reducing electrical and mechanical stress. This model supports currents up to 145A and is suitable for motors rated between 100 to 150 horsepower at 230 volts. As part of the 3RW40 series, it uses controlled switching techniques to ensure smooth and reliable motor acceleration. Distributed by BSP Automation, this soft starter is a practical choice for applications requiring efficient control and protection during motor startup.