ZKTeco Al-280d(Led) Electromagnetic Double Door Lock

ZKTeco Al-180d Door Lock More Description

Firstly Al-280d(Led) has an electromagnetic door, it is an indicator lock, 2*270Kg holding force, power-on to lock. Electromagnetic locks apply the principle of electromagnetism. When the electric current passes through the silicon steel sheet, the electromagnetic lock will produce a strong suction force to tightly attract the iron plate to lock the door.