LCN 4040SE STD LONG 689 WMS 24 Sentronic Closer / Holder with Slide Track Arm, Aluminum

Ensure secure, dependable door control at high-traffic entrances with the LCN 4040SE Sentronic door closer/holder. This commercial-grade door closer from LCN combines the proven 4040SE Sentronic hold-open system with a long aluminum body and a slide-track arm (model 689 WMS 24) to deliver consistent performance and long-term durability. The slide-track arm simplifies installation and reduces ongoing maintenance, while the aluminum construction stands up to heavy use and corrosive environments.

Built for security-conscious facilities, the LCN door closer/holder maintains controlled closing and reliable hold-open functionality that supports access control, surveillance, and monitoring systems. It helps prevent door damage and reduces unauthorized propping—improving building security and lowering lifecycle costs. The unit’s commercial-grade design is ideal for schools, hospitals, government buildings, and corporate campuses where dependable door operation is essential.

Choose the LCN 4040SE for robust, low-maintenance door control that integrates with your security infrastructure. Contact your supplier to specify the 4040SE with slide-track arm for your next access control or perimeter security project.

• Provides reliable hold-open and controlled closing to protect entrances and reduce wear on doors and frames
• Sentronic closer/holder design delivers consistent performance for security and access control applications
• Durable aluminum construction and slide-track arm resist corrosion and minimize maintenance in high-traffic environments
• Compatible with commercial door systems and easy to integrate with monitoring or access control hardware
• Reduces false alarms, unauthorized propping, and improves perimeter security for facilities and critical infrastructure