Fire Alarm Magnetic Door Holders

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.

Fire alarm magnetic door holders. In the event of a power failure they release the door to a closed position to keep the facility secure. All are reversible for right or left door swing directions. These door holder releases have a holding force of approximately 25 lbf 111n. When designing a fire alarm system you may come across the need for magnetic door holders.

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. There are no codes nation or state wide that require doors to be held open. 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.

Door holders closers can play an important role in controlling smoke migration in a building. 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. Wire these holders directly into your fire alarm system. With that said magnetic door holders are used as a convenience to hold doors open during normal operation.

They provide a high holding force. The development of national fire protection association 101 life safety code and smoke detection technology required that smoke detectors release the door holders instead of fusible links. So please choose the magnetic door holder or magnetic fire door holder and we will quickly ship the products right to your location. The device holds a door open while energized.

Some of our most popular magnetic door holders and magnetic fire door holders include rixson electromagnetic door holders cal royal magnetic door holders and more. Electromagnetic door holders and releasers keep doors open until they are released by fire alarm systems remote smoke detectors or other switching devices. Door holders are normally energized to magnetically hold doors open.