The D4SL-N3RFA-DN is a robust frame mount door interlock switch designed for industrial applications, featuring an IP67 rating for reliable performance in harsh environments. With a screw termination method and conduit thread size of 1/2-14 NPT, installation is secure and straightforward. This switch, part of the D4SL-N series, offers triple pole contact configuration with 3NC + 3NC contacts, ensuring safety compliance. Illuminated with bright orange LED lights, it provides visual indication of status even in low-light settings, while maintaining energy efficiency. Rated for 10A at 120V and 2.5A at 125V, it can handle heavy loads with ease. Whether used in machinery, control panels, or access control systems, the D4SL-N3RFA-DN guarantees reliable operation, making it an essential component in industrial safety and automation setups.