In the event of a power failure they release the door to a closed position to keep the facility secure.
Fire alarm door holder wall mounting kit.
The magnetic portion of this device is installed on the wall that meets the open fire door now to tie this whole concept together you will.
Doors may be manually closed or opened when the door holder is energized.
Fail safe operation power failure releases door to a closed position.
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For use with doors that already have a closer these holders keep doors open with an electromagnet.
A magnetic door holder is a relatively simple device that when powered typically by 24vdc or 120vac will create a magnetic pull.
Depending on your fire alarm installation you may need to install a magnetic door holder at the location of each fire door.
Mount the wall plate in an electrical outlet box or use a surface mount box sold separately.
Miscellaneous r11746 mea 447 00 e 3550 0075 173 california state fire marshal bsa 750 76 sa.
When activated by a fire alarm the magnet shuts off and releases the door.
When activated by a fire alarm the magnet shuts off and releases the door.
The sentronic 7800 series magnet releases when the fire alarm panel enters an alarm condition and the electrical current is interrupted allowing the door to perform manually until power returns.
Multiple mounting options semi flush wall mount for shallow box.
These fire rated door holders have an energized coil which creates a magnet strong enough to hold the self closing fire rated doors in the open position.
The electromagnetic door holder from edwards signaling holds doors open until released by a fire alarm system remote smoke detector or other switching device.
Wire these holders directly into your fire alarm system.
The magnet is fail safe and will hold the door until the current is interrupted.
On the fire alarm side you would need a control relay to intercept a switch leg of power to the door holder circuit as well as an initiating device such as a smoke detector to activate the relay.
When de energized by a relay controlled by the fire alarm system or other switch the door is released to a closed position checking the spread of smoke and flames.
For more information contact fire lite alarms one fire lite place northford connecticut 06472.
In the event of a fire emergency the fire alarm control panel or other compatible control means will release the magnet allowing the door to close to prevent the spread of smoke.
All are reversible for right or left door swing directions.
They provide a high holding force.
All are reversible for right or left door swing directions.
Door closer is required to close door.
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.
The device holds a door open while energized.
Wire these holders directly into your fire alarm system.
