LCN 4040SE-STD 24V LH 689 MC Sentronic AL Holder/Closer

LCN 4040SE-STD 24V LH 689 MC Sentronic Holder/Closer AL is a robust Grade 1 surface door closer designed for high-traffic environments. Featuring a slide track arm with a standard hold-open function, this closer provides a reliable single point hold-open for fire and smoke barrier doors, ensuring safety and compliance with fire regulations. The door remains securely open until current interruption releases the holding mechanism, allowing it to close. With a heavy-duty, non-handed design, the 4040SE is ideal for both right and left-handed installations, and can be mounted on either the push or pull side of the door. Its adjustable hold-open force makes it versatile for various applications, while the momentary on/off switch assembly allows for easy testing of the door release. The closer is compatible with alarm systems and features concealed or surface wiring options, adding to its functional flexibility. Constructed with a durable metal cover and available in a sleek aluminum painted finish, this model not only meets ANSI A156.15 standards but also complies with ADA requirements. Designed for commercial use, the LCN 4040SE is backed by a limited two-year warranty, ensuring you have a dependable solution for your door control needs.

Sentronic Holder/Closer AL

Grade 1 Surface Door Closer, Slide Track Arm Standard with Hold Open, 110 Deg. Hold, Metal Cover, 24V, Aluminum Painted Finish, Left-Handed

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