The D4NL-1BFA-B4 is a high-performance door and interlock switch designed for industrial applications. Constructed with durable plastic housing and featuring a screw mount for secure installation, this switch ensures reliable operation even in harsh environments with its IP67 ingress protection rating. The bright orange LED illumination provides clear visual indication of the switch status, enhancing safety in the workplace. With a contact configuration of 2NC + 1NC/1NO and a current rating of 10A/2.5A at 120V/125V, this switch offers versatile functionality. It is easy to install with a screw termination method and conduit thread size of PG13.5. Suitable for a range of applications, the D4NL-1BFA-B4 is a dependable choice for industrial automation systems.