Magnetic Door Holder Fire Alarm

The dorgards are great by the way but if the spec is magnetic door retainers they may want them as opposed to dorgards but if its high end property which a flat worth 3 5 mill is id expect a proper fire alarm in tbh a 2 zone panel is cheap enough and will give you the felxibility you need and give you extra income on repairs and servicing.

Magnetic door holder fire alarm.

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. Depending on your fire alarm installation you may need to install a magnetic door holder at the location of each fire door. Door holders are normally energized to magnetically hold doors open. The device holds a door open while energized.

In the event of a power failure they release the door to a closed position to keep the facility secure. 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. They provide a high holding force. Wire these holders directly into your fire alarm system.

Our cal royal magnetic door holders and magnetic fire door holders are ul listed for both the us and canadian market as well as approval from the california department of forestry and fire for the state of california. When activated by a fire alarm the magnet shuts off and releases the door. Electromagnetic door holders should be used and. 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.

Door holders closers can play an important role in controlling smoke migration in a building. All are reversible for right or left door swing directions. A magnetic door holder is a relatively simple device that when powered typically by 24vdc or 120vac will create a magnetic pull. We offer a variety of magnetic door holder and magnetic fire door holder finishes including us28 luma sheen duranodic and gold.

For use with doors that already have a closer these holders keep doors open with an electromagnet. The tri voltage design provides 35 pounds of holding force. Mount the wall plate in an electrical outlet box or use a surface mount box sold separately. 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.

Electromagnetic door holders and releasers keep doors open until they are released by fire alarm systems remote smoke detectors or other switching devices. 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.