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As we know electro-magnetic door lock is very important for access comntrol of automatic door. It can limit people access from inside or outside door. So, what is electro-magnetic door lock ?
Magnetic lock (or electromagnetic lock) design like electromagnet, is the use of electromagnetism principle, when the current through the silicon steel sheet, the electromagnetic lock will produce a strong suction tightly sucking adsorption iron plate to lock the door effect . As long as a small current electromagnetic lock will produce a great magnetic, if access control system identify the right person after the power off, the electromagnetic lock will open the door to lose suction. Because the electromagnetic lock is not complex mechanical structure and the structure of the latch, apply to the escape door or fire door access control. The internal protection of the lock with perfusion epoxy resin.