Kkmoon electric magnetic lock 60kg 132lb fail secure nc 12v for door entry access control system electric lock door control system.
Magnetic door release systems.
Waterproof metal rfid keypad door entry systems 350lbs electric magnetic lock 110v power supply push to exit button rfid keychains cards 4 5 out of 5 stars 29 119 99 119.
They provide a high holding force.
Electromagnetic door holders and releasers keep doors open until they are released by fire alarm systems remote smoke detectors or other switching devices.
Door access control systems kits.
Libo stand alone door access control system kit set with 180kg 350lbs electric magnetic lock dc12v 3a power supply door exit release button 10pcs rfid em id keyfobs 4 0 out of 5 stars 28 45 99 45.
3 9 out of 5 stars 3.
E307c pin prox card lock.
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