The Schmersal SRB-E-201ST01 is a multi-function emergency stop device from the SRB-E series, designed for reliable safety control in industrial automation environments. Operating at 24 V DC, it supports configurations with 1 or 2 channels and features automatic reset functionality, ensuring quick and safe recovery after emergency activation. While it has no dedicated safety or auxiliary contacts, it complies with Safety Category 1 under ISO 13849-1, achieves Performance Level e (PL e), and meets SIL 3 requirements per IEC 61508, providing high reliability for critical applications. The unit uses plug-in screw terminals for secure electrical connections and measures 115 mm in width, 22.5 mm in length, and 98 mm in depth, allowing straightforward integration into control panels. In North America, Europe, Asia, and worldwide industrial installations, the SRB-E-201ST01 may possibly be ideal for emergency stop systems requiring certified safety, robust construction, and seamless integration into automated workflows.