The LCN 4040SE Sentronic closer provides a single-point hold-open for fire and smoke barrier doors. The 4040SE Series is UL listed for metal smoke barrier or labeled fire doors and meets ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards. 

Backed by a 2 year limited warranty, offers optional plated finishes and integrates with existing fire and life safety systems, minimising danger to life and property under fire conditions.

The 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. The single-lever arm is specifically designed for interior doors. The 4040SE Series is a surface-mounted closer on the pull side hinge pull side or the push side stop face.