The Schmersal ZQ Series pull-wire emergency stop switch is designed for robust machine safety with its durable metal enclosure. This E-Stop features a snap action switching element with both NO and NC contacts, ensuring reliable stopping of machinery in an emergency. It includes one auxiliary contact and one safety contact, with a screw connection terminal for secure wiring. Rated for thermal test current at 6 A, it can handle utilisation categories AC-15 at 230 VAC up to 4 A and DC-13 at 24 VDC up to 1 A. Ideal for engineers looking for dependable and efficient safety solutions within their machinery systems.