LCN 3133SE-PLATED Sentronic Concealed Door Closer with Hold-Open and Single Lever Arm

LCN 3133SE Sentronic Concealed Door Closer with Hold-Open and Single Lever Arm

Professional Fire and Smoke Barrier Door Control Solution

The LCN 3133SE Sentronic is a concealed-in-door closer/holder designed to provide single-point hold-open functionality for fire and smoke barrier doors. This professional-grade door closer features a 1-1/8" diameter piston and cast iron construction for reliable performance in interior doors up to 4'0". UL listed for smoke barrier or labeled fire doors meeting ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards with 24V, 120V AC/DC operation.

Professional Features & Benefits

• Door Size Compatibility: Designed for interior doors up to 4'0" with concealed-in-door mounting for clean aesthetics and professional appearance.
• Heavy-Duty Construction: Cast iron body design with 1-1/8" diameter piston provides exceptional durability for demanding commercial applications.
• Flexible Power Options: Standard 24V, 120V AC/DC operation accommodates various electrical system requirements for versatile installation.
• Fire Safety Integration: UL listed for smoke barrier or labeled fire doors with interface capability for fire alarm systems and emergency response.
• Adjustable Hold-Open Force: Field-adjustable hold-open mechanism allows customization for specific door weight and application requirements.
• All-Weather Performance: All-weather fluid ensures consistent operation across temperature variations for reliable year-round performance.
• Code Compliance Certification: Meets ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards for professional fire safety applications.
• Manufacturer Warranty: 2-year limited warranty provides added confidence and protection for commercial installations.

Technical Specifications

• ADA Compliant: Yes
• BAA Qualified: Yes
• Closer Size: 3
• Commercial/Residential: Commercial
• Default Arm/Track: Standard Arm (STDTRKARM)
• Delay Function: No
• Department: Door Hardware
• Door Type: Interior Door
• Electronic: Yes
• Fasteners: Wood and Machine Screws
• Finish Type: Plated
• Fluid Type: All-Weather
• Handle Type: Lever
• Mounting Detail: Concealed - In the Door
• Mounting Location: In the Door
• Mounting Method: Concealed
• Product Category: Door Controls
• Product Group: Door Controls
• Product Model: 3133SE
• Product Subgroup: Door Closers - Electromechanical (Fire and Life Safety)
• Product Substrate: Iron
• Product Type: Door Closers
• Product Voltage: 24V, 120V AC/DC
• Series: 3130SE Series
• Subcategory: Fire and Life Safety Closers
• Warranty: 2 Year

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Government and Municipal Buildings
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Fire and Smoke Barrier Door Systems

Fire Safety Integration

UL listed for smoke barrier or labeled fire doors with interface capability for fire alarm systems. Functions as a full rack-and-pinion closer when hold-open is not engaged or electrical current is interrupted, ensuring automatic door closure during fire emergencies for code compliance and occupant safety.

Why Choose LCN Quality?

LCN Sentronic door closers deliver professional-grade reliability with cast iron construction and UL listing for demanding fire safety applications. Backed by a 2-year limited warranty and designed to meet ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards. Engineered for commercial applications where dependable fire safety performance and code compliance are essential.