LCN Sentronic 4040SE Series Heavy Duty Electromechanical Door Closer

Product Overview

The 4040SE Sentronic is a heavy duty, non-handed, non-sized 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. 4040SE Series function as full rack-and-pinion closers when the hold-open option is not engaged or the electrical current to the door is interrupted. Designed for interior doors to 4�. Momentary on/off switch board assembly for testing the door release also provides over-voltage protection. UL listed for smoke barrier or labeled fire doors. Cast iron cylinder with full-complement bearing, 1-1/2" diameter piston, 3/4" diameter double heat-treated steel pinion journal. Concealed or surface wiring, interfaces with fire alarm systems.