Electromagnetic door holders and releasers keep doors open until they are released by fire alarm systems remote smoke detectors or other switching devices.
Magnetic door holders for fire doors.
7 0 two 42 inch doors.
In the event of a power failure they release the door to a closed position to keep the facility secure.
Floor mount door hld 24 120v.
For use with doors that already have a closer these holders keep doors open with an electromagnet.
Mount the wall plate in an electrical outlet box or use a surface mount box sold separately.
Adi ed 1501aqn5 model.
Primary application includes holding and releasing of fire rated doors that are required to provide a barrier for fire and smoke in an emergency or the convenience of door closure by remote control.
Wire these holders directly into your fire alarm system.
All are reversible for right or left door swing directions.
Fire magnetic door holders category.
For example the most common use is using the magnetic door holder as a hold open device.
On commercial fire doors the magnetic fire door holders serves an array of purposes and safety functions.
When activated by a fire alarm the magnet shuts off and releases the door.
Magnetic door holder and magnetic fire door holder commercial grade magnetic door holders and magnetic fire door holders by door closers usa.
They provide a high holding force.
This is extremely useful in long hospital hallways and corridors.
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