The Schmersal AZ 17-11ZI B5 is a high-performance solenoid interlock designed for the safety of personnel and machinery. This safety switch is used to lock protective guards, such as doors or covers, preventing access to hazardous areas until a machine’s dangerous motion has completely stopped. Constructed from durable, glass-fibre reinforced thermoplastic, it offers a high level of protection and reliability in industrial environments. The device features multiple contacts for monitoring both the guard position and the lock status, ensuring comprehensive safety control. Its compact design and multiple actuator options make it a versatile solution for a wide range of machine guarding applications.