Introducing the D4NL-4DFA-B4, a robust and reliable door interlock switch designed for industrial applications. Constructed with durable plastic housing and featuring a screw mount for secure installation, this switch ensures dependable performance in various environments. With an IP67 rating, it offers protection against dust and water ingress, making it suitable for both indoor and outdoor use. The bright orange LED illumination provides clear visual indication, enhancing safety protocols. The contact configuration of 2NC + 2NC allows for versatile connectivity, while the current rating of 10A and 2.5A ensures efficient operation. With a voltage rating of 120V and 125V, it is suitable for use in a range of electrical systems. The M20 conduit thread size simplifies installation, and the LED illumination, powered by low energy consumption, adds to the switch's eco-friendly design. Perfect for door access control and interlock systems, the D4NL-4DFA-B4 is a vital component in industrial safety and automation.