The D4NL-4HDG-B4-NPT is a high-performance door and interlock switch designed for industrial applications where durability and reliability are paramount. Featuring a rugged plastic housing and screw mount installation, this switch ensures secure attachment in any environment. With an IP67 ingress protection rating, it offers excellent resistance to dust and moisture, making it ideal for use in harsh conditions. The 3NC + 2NC contact configuration allows for versatile connectivity, while the 10A and 2.5A current ratings ensure compatibility with a wide range of systems. The bright orange LED illumination provides visual indication of the switch status, enhancing safety and efficiency. With a voltage rating of 120V to 125V and a 1/2-14 NPT conduit thread size, it meets the requirements of demanding industrial settings. Trust in the D4NL series for dependable performance in critical applications.