Introducing the D4SL-N2QFA-D, a rugged and reliable frame-mounted door switch designed for industrial applications. Featuring a robust screw termination method and IP67 rating, this switch ensures secure and watertight connectivity, even in harsh environments. With an illumination option in striking orange LED, it provides clear visual indication of status. The contact configuration of 3NC + 2NC/1NO offers versatile functionality, while the current rating of 10A/2.5A and voltage rating of 120V/125V make it suitable for a wide range of power requirements. Meeting G1/2 conduit thread size standards, installation is simple and efficient. Part of the D4SL-N series, this switch guarantees high performance and longevity, making it an essential component for door and interlock systems in industrial settings.