"Schmersal R series - Emergency stop impact button Designed for rough and heavy duty applications Anodized aluminum housings and actuator heads Available colors: Red (RT) Mounting in 22.3 mm diameter hole. Adapter kit available to 30.5 mm diameter. Modular contact block system to customize contact arrangements Maintained (latching) actuation, pull to reset. Rated IP65 Ingress Protection Required yellow background label ordered separately EX\/ATEX rated explosion protection versions available","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."