LCN 4311HSA Sentronic Heavy Duty Fire/Life Safety Track Closer/Holder with Powder Coat Finish

LCN 4311HSA Sentronic Heavy Duty Fire/Life Safety Track Closer/Holder with Powder Coat Finish

Professional Fire/Life Safety Door Control Solution

The LCN 4311HSA Sentronic combines heavy-duty door closing with intelligent hold-open functionality for high-traffic commercial applications. This surface-mounted closer/holder features built-in scanner technology that automatically holds doors open at 80° or more when pedestrians pass through, then releases after an adjustable timer period up to 30 seconds. Constructed with heavy-duty cast iron and full-complement bearings, this unit meets ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards with 2-year warranty coverage.

Professional Features & Benefits

• Intelligent Hold-Open Operation: Built-in HSA scanner automatically detects pedestrian traffic and holds door open at 80° to minimize hardware wear in high-traffic applications.
• Heavy-Duty Construction: Cast iron closer body with full-complement bearings provides exceptional durability for demanding commercial environments.
• Fire/Life Safety Compliance: Meets ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards for integration with existing fire and life safety systems.
• Adjustable Timer Control: Hold-open period adjustable up to 30 seconds with built-in On/Off switch for operational flexibility.
• All-Weather Performance: All-weather fluid ensures reliable operation across temperature variations and environmental conditions.
• Sized Spring Power: Adjustable spring power sizes 1-6 accommodate interior doors up to 4" x 6" for versatile installation options.
• Professional Finish Options: Standard powder coat finish with optional custom powder coat or plated finishes available for metal cover, arm, and fasteners.
• Manufacturer Warranty: 2-year warranty coverage provides added confidence and protection for commercial installations.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose LCN Quality?

LCN Sentronic closer/holder products deliver professional-grade reliability with heavy-duty cast iron construction and full-complement bearings designed for high-traffic commercial applications. Meeting ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards with 2-year warranty coverage, these units integrate seamlessly with fire and life safety systems. Engineered for demanding commercial environments where dependable door control and pedestrian safety are essential.

Product Documentation & Resources

• [Catalog] LCN Full Line Catalog
• [Catalog] LCN 4000 Series Surface Mounted Closers Catalog
• [Installation Guide] 4310ME Series Install
• [Installation Guide] 4310ME DE Series Install
• [Installation Guide] 4311HSA Series Install
• [Parts Manual] LCN Closers & Auto Operators Parts Manual
• [Catalog] LCN High Security Closers Catalog
• [Spec Sheet] LCN HSA Data Sheet