LCN 4040SE-18PA 689 Top Rail Drop Plate, Aluminum

LCN 4040SE-18PA 689 Drop Plate, Top Rail AL is a robust solution designed for fire and smoke barrier doors, ensuring a secure hold-open mechanism until a current interruption occurs. This heavy-duty, non-handed closer/holder is ideal for commercial applications, providing a single point hold-open function that enhances safety without compromising accessibility. Engineered for interior doors up to 4'0", the 4040SE features a single lever track arm and adjustable hold-open force, making it versatile for various door configurations. It allows for easy mounting on either the push or pull side, and its non-sized cylinders accommodate different door widths seamlessly. The momentary on/off switch board assembly supports testing of the door release while offering over-voltage protection for added reliability. With standard aluminum painted finish (689/US28), the drop plate complements a range of architectural styles, while optional powder-coated and plated finishes provide customizability. The product meets ADA compliance and is UL 10C listed, affirming its quality and safety credentials. Backed by a 2-year limited warranty, the LCN 4040SE-18PA is an essential addition for professionals seeking durable and effective door hardware solutions.

Drop Plate, Top Rail AL

4040SE Series Drop Plate, Parallel Arm Mount with Narrow Top Rail, Aluminum Painted Finish

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 closes the door. The single lever track arm is designed for interior doors.

Heavy duty, non-handed and non-sized, designed to provide a 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.

• Standard 4040SE series closer shipped with a standard arm, 24V or 120V (please specify) SE track, standard cover, and wood and machine screw pack. SEL tracks are optional.
• Non-sized cylinders for interior doors to 4'0".
• Hold-open force is adjustable.
• Momentary on/off switch board assembly for testing door release also provides over-voltage protection. Field replaceable.
• Functions as a full rack and pinion closer when hold-open is not engaged or current is interrupted.
• Closer mounts on either push or pull side of the door.
• Non-handed for mounting on either right or left hand door.
• Concealed or surface wiring.
• Interfaces with alarm systems. Consult factory for full details.
• Standard or optional custom powder coated finishes on cover and arm.
• Optional plated finishes

Resources

• 4040SE Series Fire/Life Safety Closers/Holders Cut Sheet
• LCN 4040-SE Installation Guide
• LCN 4040-SEL Installation Guide
• LCN 4040SE Double Egress Installation Guide
• LCN 4040SE Series Sell Sheet
• LCN Closers & Auto Operators Installation Guide
• LCN Electrified Door Control Product Guide
• LCN Fire/Life Safety Closers/Holders Series Product Guide 1
• LCN Fire/Life Safety Closers/Holders Series Product Guide 2
• LCN Low Energy Automatic Operators Brochure
• LCN SEH Sentronic Electric Door Holder Installation Guide
• Von Duprin Finishes Chart