The D4NL-4GFA-B4-NPT 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 in demanding environments. With an IP67 rating, it offers protection against dust and water ingress, making it suitable for use in harsh conditions. The 3NC + 1NC/1NO contact configuration allows for versatile connectivity options, while the LED illumination in orange provides visual feedback of the switch status. Rated for 10A at 120V and 2.5A at 125V, it can handle high current loads with ease. The 1/2-14 NPT conduit thread size further enhances its compatibility. Whether used in machinery, safety systems, or access control, the D4NL-4GFA-B4-NPT ensures safety and efficiency in industrial operations.