LCN 4040SE Sentronic Surface-Mounted Heavy Duty Fire/Life Safety Door Closer with Powder Coat Finish
Professional Fire/Life Safety Door Closer with Single-Point Hold-Open Technology
The LCN 4040SE Sentronic is a heavy duty, non-handed, surface-mounted door closer/holder designed specifically for interior fire and smoke barrier doors up to 4'0". This professional-grade closer features a 1-1/2" diameter piston for superior performance and cast iron construction for long-term durability. UL listed for metal smoke barrier or labeled fire doors, it meets ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards while providing single-point hold-open functionality that releases automatically when current is interrupted.
Professional Features & Benefits
- Door Width Compatibility: Designed for interior doors up to 4'0" with surface-mounted installation on hinge pull side or push side stop face.
- Heavy-Duty Construction: Cast iron body design with 1-1/2" diameter piston provides exceptional durability and reliable performance in demanding applications.
- Fire/Life Safety Integration: Single-point hold-open releases automatically when electrical current is interrupted, allowing door to close and maintain fire barrier integrity.
- Universal Design: Non-handed configuration eliminates field sizing requirements and simplifies installation for both right- and left-swinging doors.
- UL Listed Compliance: UL listed for metal smoke barrier or labeled fire doors, meeting ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards.
- All-Weather Performance: All-weather fluid ensures consistent operation across temperature variations and environmental conditions.
- Adjustable Hold-Open Force: Field-adjustable hold-open force allows customization for specific door weight and application requirements.
- Manufacturer Warranty: 2-year limited warranty provides added confidence and protection for professional installations.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- 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 4040SE Sentronic door closers deliver professional-grade reliability with cast iron construction and all-weather fluid rated for consistent performance. Backed by a 2-year limited warranty and UL listing for fire door applications, this closer integrates seamlessly with existing fire and life safety systems. Engineered for demanding commercial applications where dependable fire/life safety performance is essential.
Product Documentation & Resources
- [Catalog] LCN Full Line Catalog
- [Catalog] LCN 4000 Series Surface Mounted Closers Catalog
- [Installation Guide] 4040XP/4041DA Tri-Pack Pull/Top Jamb/PA Install
- [Installation Guide] 4040XP Series EDA Mount Install
- [Installation Guide] 4040XP Series CUSH Mount Install
- [Installation Guide] 4041 Series Drop Plate Install
- [Parts Manual] LCN Closers & Auto Operators Parts Manual
- [Installation Guide] 4040SE/SEC Series Install
- [Installation Guide] 4040SEL Series Install
- [Installation Guide] 4040SE Series Double Egress Install
- [Catalog] LCN Fire & Life Safety Closers Catalog
- [Spec Sheet] LCN Fire & Life Safety Data Sheet
Manufacturer Resources
Product Specs
- Series:
- 4000 Series
- ADA Compliant:
- Yes
- BAA Qualified:
- Yes
- Mounting Detail:
- Surface - Hinge Mount(Pull Side), Stop Face (Push Side)
- Warranty:
- 2 Year
- Closer Size:
- 1
- Subcategory:
- Fire and Life Safety Closers
- Mounting Location:
- Pull Side
- Product Group:
- Door Controls
- Product Subgroup:
- Door Closers - Electromechanical (Fire and Life Safety)
- Product Type:
- Door Closers
- Door Type:
- Interior Door
- Finish Type:
- Powder Coat
- Fluid Type:
- All-Weather
- Fasteners:
- Wood and Machine Screws
- Commercial/Residential:
- Commercial
- Electronic:
- Yes
- Closer Size:
- 2
- Closer Size:
- 3
- Closer Size:
- 4
- Mounting Location:
- Push Side
- Tags:
- lcn 4040se, 4040se closer, 4040se sentronic, 4040se, 4040se door closer, lcn 4040 se, lcn 4040se closer, lcn4040, 4040seh, lsn 4040, lcn 4040seh
- Product Model:
- 4040SE
- Collection:
- 4040 series
- Product Voltage:
- 24V, 120V AC/DC
- Mounting Method:
- Surface Mount
- Product Category:
- Door Controls
- Product Substrate:
- Iron
- Department:
- Door Hardware
Parts & Accessories