Siemens SIRIUS ACT Series Emergency Stop Push Button, 22mm Cutout Diameter, 2NC - 3SU1158-1HB20-1PT0 This emergency stop push button is designed for panel mounting and features a robust mushroom-shaped design. With a cutout diameter of 22mm, it is simple to install and provides an illuminated function for visibility in low light conditions. The unit meets high protection ratings of IP66, IP67, IP69, and IP69K, ensuring reliability in harsh environments. Features & Benefits • Low voltage rating of 500V for safety
• Illuminated feature enhances visibility in dark settings
• Auxiliary contacts for custom configurations
• Durable plastic material withstands harsh conditions Applications • Used for critical machinery safety systems
• Ideal for applications in production lines
• Employed in automatic control systems
• Used with emergency shutdown circuits Is it easy to operate in an emergency? Yes, the twist release function allows quick activation.