Electromagnetic Door Holders and Releases

Sales Electromagnetic Door Holders and Releases

>Signal output: NC, NO signal output, can remotely monitor the working status of the ground suction

Product Detail  

Electromagnetic Door Holders and Releases

Model No.: S4A-36B Signal feedback


What is electromagnetic door stopper?

Electromagnetic door holders and releasers keep doors open until they are released by fire-alarm systems, 

remote smoke detectors, or other switching devices. They provide a high holding force. In the event of a power 

failure, they release the door to a closed position to keep the facility secure.


How do you remove a magnetic door stopper?

Removing the Old Magnetic Door Stop

Use a screwdriver to loosen the screws until they come off. Remove the entire catch assembly and put them aside. 

Next, work on the magnetic door stop installed on the wall trim. Remove the screws, pull off the device, and set it aside.


Maximum suction power

60kg (120Lbs)

Working voltage

DC12V/DC24V (adjustable)

Working current

DC12V/170mA, DC24V/85mA

Signal output

NC, NO signal output, can remotely monitor the working status of the ground suction

Work indicator

red and green show the working status of the ground suction

Product features

beautiful and generous appearance

Applicable door type

fire door, smoke-proof door

Fire linkage interface

connect to smoke detector or fire center switch signal to automatically release and close the fire door


Door Holders and Releases

Door Holders and Releases

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