VIMO CTESIS03 Double-balanced grade 3 high security magnetic contacts for all surfaces

Double balanced grade 2 high security magnetic contacts for all surfaces. The balanced magnetic fields make the contact safe against attempts at magnetic tampering. Compliance with European standard EN50131-2-6 grade 3 environmental class II. Continuous protection against magnetic tampering in series at the alarm. White ABS case. N.C. contact with closed door - connection to clamps protected by tampers.