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Fire-Lite FM900 is an Electromagnetic Door Holder Extension Kit designed for the FM Series. This kit holds fire and smoke barrier doors open until released by a remote smoke detector or other devices. The assembly includes an armature contact plate with adjustable pivot for installation in the door and a heavy-duty electromagnet housed in a durable plastic enclosure.
This extension kit is ideal for remote door release setups in emergency scenarios, ensuring compliance with safety protocols.
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