Ronis n° 455 Emergency Stop Switch With Key is a rugged safety control device designed to provide rapid circuit disconnection in hazardous situations. Featuring a large Φ40mm or Φ60mm actuator with key release, this emergency stop switch ensures clear, unmistakable activation and controlled reset only by authorized personnel.

Available in robust variants — LA167-B2-ES645, LA167-82-ES142, and LA167-82-ES145 — it is ideal for industrial, manufacturing, and infrastructure environments where operator safety and machine protection are critical. Its reliable mechanical design supports consistent performance under heavy use and extreme conditions.

Perfect for control panels, automation systems, heavy machinery, process plants, and factory safety installations, the Ronis n° 455 E-Stop Switch delivers dependable emergency shutdown control and long-term operational security.