LCN 3133SE-POWDER Sentronic Concealed Fire Door Closer with Single Lever Arm Track and Hold-Open Function

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

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 with cast iron construction and is specifically designed for interior doors up to 4'0". The unit is UL listed for metal smoke barrier or labeled fire doors and meets ANSI/BHMA A156.15 and NFPA 101 Life Safety Code standards with 24V, 120V AC/DC operation.

Professional Features & Benefits

• Door Width Compatibility: Designed for interior doors up to 4'0" with concealed-in-door mounting configuration for seamless integration.
• Heavy-Duty Construction: Cast iron body design with 1-1/8" diameter piston provides exceptional durability for commercial fire door applications.
• Dual Power Options: 24V, 120V AC/DC operation provides flexible integration with various fire alarm systems and power supplies.
• UL Listed Fire Safety: UL listed for metal smoke barrier or labeled fire doors with ANSI/BHMA A156.15 and NFPA 101 Life Safety Code compliance.
• Dual-Function Operation: Functions as full rack-and-pinion door closer when hold-open is not engaged or electrical current is interrupted during emergency conditions.
• All-Weather Reliability: All-weather fluid ensures consistent operation across temperature variations in commercial environments.
• Adjustable Hold-Open Force: Hold-open force is field-adjustable to accommodate various door weights and application requirements.
• 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: Powder Coat
• 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 with Fire Doors
• Educational Facilities Fire Safety Systems
• Healthcare Institutions Smoke Barrier Doors
• Multi-Tenant Residential Fire Doors
• Government and Municipal Buildings
• Industrial Facilities Fire Protection
• Hotels and Hospitality Fire Safety

Fire Safety Integration

The 3133SE Sentronic integrates seamlessly with existing fire and life safety systems, providing automatic door closure when electrical current is interrupted during fire conditions. The momentary on/off switch board assembly enables testing of door release function while providing over-voltage protection for system reliability and code compliance.

Why Choose LCN Quality?

LCN Sentronic door closers deliver professional-grade reliability with cast iron construction and all-weather fluid rated for demanding commercial fire door applications. Backed by a 2 Year limited warranty and UL listing for fire doors, these closers meet stringent NFPA 101 Life Safety Code requirements. Engineered for critical fire safety applications where dependable performance protects life and property.