Safety device used for emergency stops of industrial robots and automation equipment. Features a large red push button switch that allows operators to immediately stop machinery or equipment when they sense danger. Designed in compliance with ISO13850 and JIS B 9703 standards, available with twist reset function or key reset function. Installation is mandatory on manufacturing equipment such as robot cells, automatic assembly lines, and conveyor systems, using NC (normally closed) contacts. Available in various specifications including IP65 dust and water resistant models, illuminated types, and large φ60mm types to suit different applications.