• May 28, 2018 How does Magnetic Lock work?
    ComponentsA magnetic lock, often referred to as a mag lock, consists of an electromagnet and an armature plate. The magnet is mounted inside of the door opening, which prevents tampering, while the plate is installed on the face of the door. When the magn…
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  • Jun 07, 2018 How does an Electromagnetic Lock Operate?
    S4A Electromagnetic lock, Magnetic lock, or Maglock is a locking device that consists of an electromagnet and an armature plate. By attaching the electromagnet to the door frame and the armature plate to the door, a current passing through the electr…
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  • May 28, 2018 What is Electric Strike Lock?
    S4A Electric Strike Lock is a device that's installed on a door to allow access with an access control system or some other type of remote release system. The electric strike, unlike a magnetic lock doesn't actually secure the door. A do…
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  • Jun 07, 2018 Magnetic Locks Vs Electric Strikes
    Magnetic locks and electric strikes are electrical hardware devices used to maintain the security of a door opening. Both of these devices can be activated by a range of tools, including passcodes, biometric readers, keycards or buzzers. When comparing ma…
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  • May 28, 2018 How does an Access Control System Operate?
    When a credential (card, fob, fingerprint, etc.) is presented to a reader, the reader sends the credential’s information, usually a number, to a control panel / processor. The control panel compares the credential's number to an access control list, …
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  • Oct 06, 2020 Production Line for RFID Access Controller
    S4A Manufacturer Standalone Access Controller, this is our production line for the S series Standalone access controller, from the first step to the last repair step and all access control units within 2-year quality guarantee, OEM & ODM are acceptabl…
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  • Oct 06, 2020 The Newest RoHs for Electromagnetic locks in 2020
    S4A RoHs for Electromagnetic locks in 2020 
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  • Oct 06, 2020 The Newest CE Ceritificate-Electromagnetic locks
    The Newest CE certification for Electromagnetic locks in 2020
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