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Q：What is an electromagnetic security door lock switch? ensure that the it not opened ？
A：
Electromagnetic security door lock switch: As the name suggests, when power is applied, the lock generates magnetic force, causing the lock to engage and latch onto a small metal piece within the groove. When the power is turned off, the latch will reset and the lock opens as the magnetic force disappears. It also has the feature of unlocking when power is applied, and can control 6 pairs of contacts simultaneously, providing multiple mechanical signal outputs in either normally open or normally closed state. It can control more than 3 devices and can be used in conjunction with safety relays and contactors, offering powerful functionality.
To ensure that the electromagnetic security door lock switch is not opened after a power failure, you can consider the following measures:
The magnetic lock operates based on electromagnetic principles and does not have any mechanical structure. In recent years, magnetic locks have been widely used in automated production lines. Since they are part of an access control system, they require a power supply, usually a 12V DC power source. To ensure that the door lock is not opened during a power outage, the access control power supply box should be equipped with a backup battery (backup power supply).