"Schmersal E series - Emergency Stop Red (RT) mushroom button with latching, pull to resetAnodized aluminum housings and actuator head Rated IP65 Ingress Protection Mounting in 22.3 mm diameter hole. Adapter kit available to 30.5 mm diameter. Modular contact block system to customize contact arrangementsRequired yellow background label ordered separately","Safe Solutions for your Industry.Schmersal is focused on machine safety - protection for man and machine. For over 65 years Schmersal has developed a reputation for the design and manufacture of machine safeguarding switches that satisfy current safety requirements of the latest OSHA, ANSI, RIA and international standards and guidelines. Products supplied by Schmersal are used in a wide variety of applications in industries such as power presses, packaging, automotive, food and beverage, pharmaceutical, elevators, machine tools and heavy industry."