LCN 4040SE-LONG 24V 695 Sentronic DKBRZ Holder/Closer

LCN 4040SE-LONG 24V 695 Sentronic Holder/Closer DKBRZ is a Grade 1 surface door closer designed to enhance the functionality and safety of fire and smoke barrier doors. This heavy-duty, non-handed closer features a slide track arm with a long hold open, allowing the door to remain open until a current interruption releases the holding mechanism. With a 110-degree hold-open angle, it provides convenient access while ensuring compliance with safety regulations. The 4040SE is engineered for interior doors up to 4'0" and is easily adjustable for hold-open force. It operates as a full rack and pinion closer when the hold-open feature is not engaged or when current is interrupted. This model is designed for commercial settings and can be mounted on either the push or pull side of the door, making it versatile for various installations. Constructed with a durable plastic cover and finished in a dark bronze paint, this closer not only meets ANSI A156.15 standards but also interfaces seamlessly with alarm systems for enhanced security. With options for custom powder-coated finishes and a limited two-year warranty, the LCN 4040SE-LONG is a reliable choice for building professionals and property owners looking for quality and performance in door hardware.

Sentronic Holder/Closer DKBRZ

Grade 1 Surface Door Closer, Slide Track Arm Long with Hold Open, 110 Deg. Hold, Plastic Cover, 24V, Dark Bronze Painted Finish, Non-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