The Schmersal Safety Switch AZ17-11ZRK-ST is a product manufactured by Schmersal in Germany. It is a safety switch designed for electrical equipment and supplies, specifically other types of electrical equipment. The brand Schmersal is well-known for producing high-quality safety switches and other industrial safety products, ensuring reliability and compliance with safety standards. This particular safety switch is identified by its model number AZ17-11ZRK-ST, offering a solution for ensuring safety in industrial settings where electrical equipment is utilized.