Securitron DPSM-GY Door Position Switch For Metal Doors - Grey

Door Position Switch - Metal Door, Gray. Used to monitor the status of a door or to provide an initiate signal to Securitron's XDT delayed exit logic timers and DPA door prop logic timers. DPS-M Concealed Door Position Switch for Metal Doors: Both components require drilling a 3/4” [19mm] diameter hole in the door and frame directly opposite one another. The large magnet is needed to overcome the shielding effect of a steel door. The DPS-M style is a Normally Closed switch (SPST). The distance depends on the door type and gap between the door and frame but is in the 1/2”-3/4” range [12-18mm]. Includes a magnetic switch and a cylindrical permanent magnet.