Automatic detection and containment of fire and smoke are the best ways to minimize danger to life and property. LCN Sentronic® closer/holders are designed to hold swinging doors open in normal use and release to automatically close the doors under fire conditions.
The 4040SE SENTRONIC®is a heavy duty, non-handed, nonsized closer/holder designed to provide single point hold-open for fire and smoke barrier doors. The door is held open until current interruption releases the
holding mechanism and the door closes. Single lever (track) arm closer is specifically designed for interior doors. Choice of finishes, track functions, and installation accessories meet virtually all life safety requirements.