enow.com Web Search

  1. Ads

    related to: magnetic door lock emergency release kit reviews

Search results

  1. Results from the WOW.Com Content Network
  2. Electromagnetic door holder - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_door_holder

    An electric current typically energizes the electromagnet to attract and hold the steel plate, keeping the door open. Unlike electromagnetic locks, the magnetic attraction of an electromagnetic door holder is usually weak enough that it can be manually overpowered at any time by anyone, allowing the door to close. [citation needed]

  3. Electromagnetic lock - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_lock

    Quick to operate: Magnetic locks unlock instantly when the power is cut, allowing for quick release in comparison to other locks; Sturdy: Magnetic locks may also suffer less damage from multiple blows than do conventional locks. If a magnetic lock is forced open with a crowbar, it will often do little or no damage to the door or lock.

  4. Magnetic keyed lock - Wikipedia

    en.wikipedia.org/wiki/Magnetic_keyed_lock

    A magnetic keyed padlock A magnetic keyed padlock. A magnetic keyed lock or magnetic-coded lock is a locking mechanism whereby the key utilizes magnets as part of the locking and unlocking mechanism. Magnetic-coded locks encompass knob locks, cylinder locks, lever locks, and deadbolt locks as well as applications in other security devices.

  5. Knox Box - Wikipedia

    en.wikipedia.org/wiki/Knox_Box

    A Knox vault in an academic building A Knox KeySecure, attached inside the cab of a fire engine, holds a high-security key to open KnoxBox key boxes in the area.. A Knox Box is a small, wall-mounted safe that holds building keys for fire departments, emergency medical services, and sometimes police to retrieve in emergency situations.

  6. Electronic lock - Wikipedia

    en.wikipedia.org/wiki/Electronic_lock

    Electric locks use magnets, solenoids, or motors to actuate the lock by either supplying or removing power. Operating the lock can be as simple as using a switch, for example an apartment intercom door release, or as complex as a biometric based access control system. There are two basic types of locks: "preventing mechanism" or operation ...

  7. Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

  1. Ads

    related to: magnetic door lock emergency release kit reviews