Magnetic Locks On Exit Doors

1008 1 4 4 access controlled egress doors.

Magnetic locks on exit doors.

The most common miss reading of these codes that we see is ahcs using the code for elevator lobby hold open magnets. Nfpa emergency exit door requirements for locks. Magnetic door lock kits can include the following release methods. And of course the maglocks can be released automatically by a fire alarm system in case of fire.

The maglock devices are powered by a 12v power supply. There are additional sections that apply to delayed egress locks controlled egress locks in health care facilities stairwell reentry and fail safe locks on elevator lobby doors nfpa 101 only. Doors are laid out so that they can be opened from the outside when the building is occupied. This includes the access control lock or fire exit hardware power transfer door position switch or any other component mounted on the door or frame.

Locking devices can be either fail safe or fail secure. Electromagnetic locks maglocks stairwell re entry. Here is a summary of the requirements for both sections from the 2009 ibc. A fail secure locking device remains locked when power is lost.

And one that can be easily used at all light levels. Key fobs and card reader units release switches digital keypads and emergency break glass units. For a range of other access. For instance a latch or some other fastening device is a requirement for doors with a simple releasing device.

An electromagnetic lock magnetic lock or maglock is a locking device that consists of an electromagnet and an armature plate. There are two main types of electric locking devices.