Magnetic Door Holder Fire Alarm Systems

This would also allow the door holders to close on other alarms such as pull station alarms or duct detectors whereas a 120 v relay tied to smokes just at the door would not. 1 core no sheath. Tps fire alarm halogen free.

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We offer a variety of magnetic door holder and magnetic fire door holder finishes including us28 luma sheen duranodic and gold.

Magnetic door holder fire alarm systems. Field devices sounders. 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. Electromagnetic door holders and releasers keep doors open until they are released by fire alarm systems remote smoke detectors or other switching devices. A magnetic door holder is a relatively simple device that when powered typically by 24vdc or 120vac will create a magnetic pull.

Once the detector senses smoke the fire alarm control unit sends a signal to the relay which then opens the power circuit. Addressable sounders strobes. Sdc eh series magnetic door holders are designed to hold doors open and release the door by remote switch or fire life safety command center activation. 2hr fire rated control cables.

These door holder releases have a holding force of approximately 25 lbf 111n. They re really very simple to install. Thank you for your answers. In the event of a power failure they release the door to a closed position to keep the facility secure.

The device holds a door open while energized. They come with a psu and then you connect an interface with relay outputs from the fire alarm to this to drop out power to the magnetic door holders when the fire alarm activates. They provide a high holding force. 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.

Complete list of products complete list of products. This is extremely useful in long hospital hallways and corridors. 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. 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.

Likewise the magnetic fire door holder can be used on fire or smoke barrier doors held open until released by a remote switching device. Tps fire alarm. Magnetic door holder for fire door. Depending on your fire alarm installation you may need to install a magnetic door holder at the location of each fire door.