Introducing the D4SL-N3HFA-D4, a high-performance door and interlock switch designed for seamless operation in industrial settings. This rugged switch, part of the D4SL-N series, boasts a frame mount installation and screw termination method for secure positioning. With an IP67 rating, it offers reliable protection against dust and water ingress, ensuring durability in harsh environments. Featuring a 3NC + 2NC contact configuration, this switch can handle both high (10A) and low (2.5A) current ratings at 120V/125V voltage levels. The bright orange LED illumination provides visual indication of its status, enhancing safety and efficiency. Certified for quality and performance, the D4SL-N3HFA-D4 is a vital component for maintaining operational integrity in diverse industrial applications.