The MC 270 series are magnetic contacts used in both alarm and security access control systems for protection of doors, gates and windows in applications where a higher rate of security is required. It is perfect to protect public environments like museums, banks, art galleries, shopping malls etc.The contact has an extra reed and magnet inside to protect it from sabotage. This means that an alarm will be triggered if the contact is exposed to an external magnetic field. Providing for easy and safe installation, both magnetic reed and magnet assemblies of a high security MC 270 contact are enclosed in a metal, water-proof housing, allowing them to be installed both indoors and outdoors.