The Schmersal SRB301 series pull-wire emergency stop switch is a robust safety device designed for machine safety applications. This pull-wire E-Stop features a signalling output, an auxiliary contact, two openers and three safety contacts to ensure maximum protection. It comes equipped with an electronic fuse, wire breakage detection, short circuit recognition and a start input for comprehensive system monitoring. The feedback circuit and automatic reset function enhance usability while the earth connection detection and integral system diagnostics maintain system integrity. Rated for both AC and DC use, it can handle 230 Volt AC at 6 Amp in utilisation category AC-15 and 24 VDC at 6 Amp in utilisation category DC-13. This makes the SRB301 a versatile solution for various industrial settings requiring reliable emergency stop functions.