The Omron D4NL-4CFG-B is a robust and reliable guard lock safety-door switch designed to enhance industrial safety systems. This key-operated switch features a durable plastic housing and head, ensuring longevity and resistance to harsh environments. It operates with a 24 VDC solenoid lock mechanism, providing a secure mechanical release. The switch is equipped with two normally closed (NC) door contacts and one normally closed (NC) and one normally open (NO) lock monitor contact, offering comprehensive monitoring capabilities. With an adjustable direction of operation and a holding force of 1300 N, it ensures secure locking and adaptability to various installation requirements. The D4NL-4CFG-B also includes an LED indicator for easy status monitoring and complies with IP67 protection standards, making it suitable for use in demanding industrial settings. Its compact cuboid shape and M20 conduit size facilitate easy integration into existing systems.