>Working voltage: 12VDC/24VDC
>Working current: 170mA/85mA
Electric Magnet Fire Door holder
Model No.: S4A-39B
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.
S4A Model No. | S4A-39B |
Material | aluminum alloy |
Surface treatment | baking varnish |
Suction | 60kg |
Working voltage | 12VDC/24VDC |
Working current | 170mA/85mA |
Design feature | low power consumption design |
Release button | with test button |
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