The ABB ACS355‑03E‑08A8‑4 is a three‑phase variable frequency drive (VFD) optimized for controlling AC motors in a wide range of machinery applications. It supports smooth speed control, energy‑efficient operation, and built‑in safety features like Safe Torque Off (STO). Its modular design makes it easy to install and set up, and it includes options for EMC filtering and communication interfaces to suit different automation needs.