The AZ 15/16-B1-2053 is a safety switch with standard key operated accessories, manufactured by Schmersal. It is suitable for use in safety and automation systems, with the main purpose of disconnecting the system in the case of an emergency. The switch has a wide variety of options available, including mechanical key operated, spring loaded locking and manual reset versions. It is designed to meet the highest performance requirements, with a rated voltage of 250V AC and a rated current of 16A. The switch can be used both as a main power switch or as part of an emergency system. The Series AZ 15/16 offers a range of accessories and features that can be tailored to meet your needs, depending on the specific application. The accessories include a standard key operated release, and a tangible tactile feedback for easy and reliable operation.