Introducing the D4SL-N3QFA-D, a robust and reliable door interlock switch designed for industrial applications. With a frame mount installation and screw termination method, this switch ensures secure and durable performance. Featuring an IP67 rating, it offers protection against dust and water ingress, making it suitable for harsh environments. The vivid orange LED illumination provides visual feedback, enhancing safety and visibility. The contact configuration of 3NC + 2NC/1NO allows for versatile connectivity options. With a current rating of 10A and 2.5A, and a voltage rating of 120V and 125V, this switch is capable of handling demanding electrical requirements. The 1/2-14 NPT conduit thread size simplifies installation. Certified for use in door, interlock, and detector applications, the D4SL-N3QFA-D is a dependable choice for industrial safety systems.