Magnetic door catch
The exciting pics below, is other parts of Magnetic Door Locks document which is grouped within Locks, and published at September 15th, 2016 07:23:31 AM by adminz.
Magnetic Door Locks : Magnetic Door Catch
Quote from Article entitled Magnetic Door Locks:
It is worth noting the following disadvantages:
The need for uninterrupted power supply;large mass and size;easy re-intrusion.Without electricity an electromagnetic lock opens and stops to fulfill its functions. This is both an advantage and disadvantage. Locking devices on the doors during a power cutoff should open according to the fire safety requirements in shopping malls, large offices and other areas with large crowds. But this leads to decrease of safety and causes penetration of intruders when installed in doors of entrances hallway and apartments. Therefore, the scheme of connection of handles often provides uninterruptible power supply.
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