The D4NL-4GFB-B is a rugged 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 reliable operation even in harsh environments with its IP67 ingress protection rating. Its bright orange LED illumination provides visual feedback, enhancing safety and visibility. The contact configuration of 3NC + 1NC/1NO allows for versatile connectivity, while the current rating of 10A and 2.5A and voltage rating of 120V and 125V make it suitable for a wide range of power requirements. The M20 conduit thread size facilitates easy installation. Perfect for use in machinery and equipment, the D4NL-4GFB-B is a crucial component for maintaining operational efficiency and safety compliance.