Low power magnetic recessed contact. High security EN50131 Grade 3. Protected against sabotage by magnetic field. Cable length 2 m. Not suitable for mounting on ferromagnetic materials. Permissible distance between 11 and 19 mm. Axially polarized neodymium magnet. Fixing with screws (supplied). Includes plastic bases for magnetic contact and magnet fixing. 2 NC contacts (alarm and tamper). Environmental class III, IP67. Operating temperature -25 to 70 ºC. Size: contact ø 8 x 32 mm, magnet ø 8 x 25 mm.