LCN 4040XP-3077SCUSH 689 SRT Door Closer

Secure, reliable door control for commercial and institutional entrances is essential — the LCN 4040XP-3077SCUSH 689 SRT door closer delivers dependable performance for access control, security and monitoring environments. Built by LCN as a heavy-duty door closer, it features a patented Green Dial and adjustable spring size 1-6 so technicians can quickly set closing force to match door weight and site requirements. Solid forged steel main arm and forearm construction provide long service life in high-traffic corridors, while the aluminum finish resists corrosion and presents a professional appearance.

This closer is rated for interior doors up to 5'0" and exterior doors up to 4'0", making it ideal for commercial buildings, education, healthcare and government facilities. Its peel-n-stick mounting template speeds installation, reducing labor time on retrofit and new-construction projects. Use the LCN 4040XP to improve door security, complement access control hardware and support surveillance or monitoring workflows. Specify this model for reliable operation in demanding environments — order now or consult our team to integrate it into your security and access control plan.

• Provides consistent, secure door control to protect commercial entrances and integrate with access control and surveillance systems
• Adjustable spring size 1-6 lets you tune closing force for different door weights and traffic patterns, reducing wear and maintenance
• Solid forged steel main arm and forearm deliver heavy-duty durability for high-traffic institutional and industrial use
• Patented Green Dial simplifies spring sizing and inspection, speeding installation and field adjustments
• Designed for interior doors up to 5'0" and exterior doors up to 4'0" for broad commercial applicability
• Peel-n-stick template and aluminum finish streamline mounting and ensure a professional, corrosion-resistant appearance