The 4310ME LCN is a heavy duty, electrically controlled closer and holder designed to provide infinitely adjustable hold-open for fire and smoke barrier doors. Door is held open until current interruption releases mechanism and the door closes. Single lever (track) arm closer is specifically designed for interior doors.
This LCN 2030-3034 track roller is a standard duty replacement for most LCN track arm closers in the 2030 series without Hold Open.Older 2030 series closers manufactured before January 2016 will need...
• Track roller for 2210 series high security concealed overhead closers• Quiet, low friction roller assembly• Track roller threads into 2210-3077T Standard Arm • Track roller for 2210 series high...