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)
Includes a magnetic switch and a cylindrical permanent magnet
Includes a magnetic switch and a cylindrical permanent magnet
Description
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.