Siemens 6SE6420-2UD13-7AA1 Sirius Soft Starter

Siemens Sirius soft starter 6SE6420-2UD13-7AA1 is a compact motor-control device designed to start AC motors with reduced voltage. Part of the Siemens Sirius 6SE family, this unit provides soft-start functionality to limit inrush current and smooth acceleration, helping protect electrical and mechanical systems from startup stresses. The part number 6SE6420-2UD13-7AA1 uniquely identifies this model within the Sirius series, ensuring it aligns with Siemens automation portfolios and related Sirius components. Typically used in industrial motor control applications where controlled start-up is required to improve process reliability and reduce wear, this soft starter integrates with standard Siemens control architectures.