The 4310ME Sentronic is a heavy duty, electrically controlled closer/holder designed to provide infinitely adjustable hold-open for fire and smoke barrier doors.  The door is held open until current interruption releases mechanism and the door closes.

The single lever (track) arm closer is specifically designed for interior doors.  Available with a choice of finishes, cylinder functions, and installation accessories.  Meets virtually all life safety requirements.

The 4310ME Series function as full rack-and-pinion door closers when hold-open is not engaged or the electrical current is interrupted. The finishes, cylinder functions and installation accessories meet virtually all life and safety requirements.