Fire Alarm Door Holder Extensions

Electromagnetic door releases hold doors open until released by fire alarm system remote smoke detectors or other switching devices. An armature contact plate with adjustable pivot mounting for installation in the door and a heavy duty electromagnet in a durable. The dh series electromagnetic fire door holders are constructed of the finest materials and workmanship available.

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Fire alarm door holder extensions. They are pri marily used to hold fire and smoke barrier doors open until released by a remote smoke detector or other switching device. 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. Designed for virtually any remote door release application electromagnetic door holders releases can be be tripped by an alarm or smoke detector or triggered by a remote switch. The complete assembly consists of.

Electromagnetic door holders should be used and installed in accordance with local building codes and standards. The edwards 1500 series door holder extension rods are for use where it is desired to hold doors open and where a standoff distance between the magnet assembly and the armature base is required. Each door holder is made of durable die cast metal and offered in a powder coated finish. Help keep your facility safe and secure.

The extension kit can be used with edwards 1504 1505 1508 and 1509 series door holders. Magnetic door holder and magnetic fire door holder wholesale magnetic door holder and magnetic fire door holder for commercial doors fire doors and more automatic door and hardware carries the best selection of magnetic door holders and magnetic fire door holders. Door holders are normally energized to magnetically hold doors open. These door holder releases have a holding force of approximately 25 lbf 111n.

High holding force and fail safe operation. Installation is easy with dh series installation technique an adhesive template assures alignment without secondary adjustments. Virtually any remote door release application. Floor mounted available for single doors or two doors mounted back to back adequate space must be considered for floor mounted holder releases.

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. Electromagnetic door holders and releases. Choose the right type of smoke alarm to protect you and your family. Doors may be manually closed or opened when the door holder is energized.

The device holds a door open while energized. Power failure releases door to a closed position.