The Allen-Bradley 440N-Z21W1PH Non-Contact Safety Switch is a high-performance safety solution designed to enhance machine guarding in industrial environments. This used model provides a cost-effective way to ensure worker safety while maintaining equipment efficiency. With magnetic-coded actuation, it prevents unauthorized bypassing and ensures secure access control. Built for durability, this switch features an IP67 rating, making it resistant to dust and water, making it suitable for demanding applications in manufacturing, food processing, and automation industries.