Automatic Fire Door Release

This 120vac device can power up to four smoke detectors and two horn strobes or speaker strobes.

Automatic fire door release.

Or the actuation of an alarm by a manual fire alarm call. The automatic releasing mechanism or medium is activated by the operation of approved smoke detectors. Doors are automatic and self closing through an isolating governing release system rated 4 3 1 1 2 3 4 or oversized certificate. For use with motorized doors incorporating a reversing electric safety edge.

Upon release of the hold open mechanism the leaf becomes self closing. Fire door release devices in case of an emergency it s critical to have equipment you can count on. The alpine advantage and benefit alpine s auto fire tite doors ensure security and fire protection and are listed and or classified by. Liftmaster s fire door release devices provide the ultimate reliability exactly when it s needed.

The detection of smoke by an automatic detection. The release device is designed so that the leaf instantly releases manually and upon release becomes self closing or. No matter what the automatic means of smoke fire detection you use the release of one or more smoke doors is usually accomplished through an electromechanical device that holds the doors open until smoke is detected.