INTRUDER ALARM USE MAGNET-ACTUATED PROXIMITY SWITCH The AS-910 Proximity Switch, designed specifically for security application, serves as a simple yet most reliable door-sensing device against intruders. It comes available in a pair of molded-plastic cases with a built-in reed switch and magnet, The highly sensitive switch, though coupled with a,smaller FER RITE magnet than our current ones, ensures maximum stability over long-time operation and also actuating distance as long as 20 mm.
