The D4NL-4FFA-B-NPT is a robust door and interlock switch designed for reliable operation in industrial settings. Constructed with durable plastic housing and featuring a screw mount installation, this switch ensures secure placement. Its IP67 rating guarantees protection against dust and water ingress, while its bright orange LED illumination provides visual indication of status. With a contact configuration of 2NC + 2NC/1NO and a current rating of 10A/2.5A, it offers versatile application possibilities. Operating at 120V/125V, it is suitable for a range of voltage systems. The conduit thread size of 1/2-14 NPT allows for easy installation. Perfect for machinery and equipment safety systems, the D4NL-4FFA-B-NPT combines quality and performance in one essential component.