Von Duprin 3348A/3548A-3 Concealed Vertical Rod Exit Device - Narrow Stile, 3-Foot, Grade 1

Von Duprin 3348A/3548A-3 Concealed Vertical Rod Exit Device - Narrow Stile, 3-Foot, Grade 1

Heavy-Duty Concealed Vertical Rod Solution for Hollow Metal Single and Double Doors

The Von Duprin 3348A/3548A-3 Concealed Vertical Rod Exit Device is a professional-grade, ANSI/BHMA A156.3 2014 Grade 1 certified panic exit hardware solution engineered for hollow metal single and double doors. Fitting door stiles as narrow as 2-1/8" (44 mm), this 3-foot (36") device features a 1-1/2" latch throw and is designed for demanding institutional applications including schools, hospitals, and government buildings. The 3348A model features a grooved mechanism case while the 3548A offers a smooth mechanism case, both sharing a newly designed one-piece center case cover. The device is non-handed, providing installation flexibility, except when the SS (Signal Switch) option is used.

Professional Features & Benefits

• Narrow Stile Compatibility: Fits door stiles as narrow as 2-1/8" (44 mm), making it ideal for narrow stile hollow metal single and double door applications.
• 3-Foot Device Size: Sized at 36" with overall product dimensions of 8-3/16" x 1-9/16" x 2-13/32" and a product projection of 3-13/16" for precise, low-profile installation.
• Grade 1 Certified Performance: ANSI/BHMA A156.3 2014 Grade 1 certified and UL listed for panic exit hardware, meeting the highest industry standards for commercial door security.
• Non-Handed Design: Non-handed configuration (except when SS Signal Switch option is used) simplifies inventory management and installation across varied door orientations.
• Versatile Door Thickness & Fastener Compatibility: Designed for 1-3/4" door thickness with included 1-3/4" and 2-1/4" wood/metal door fasteners and SNB included for straightforward installation.
• Field-Configurable Options: Supports a broad range of functions including EO, DT, NL, NL-OP, L, L-BE, TL, TL-BE, T, and T-BE, with hex key dogging configuration for operational flexibility.
• Retrofit & Upgrade Ready: Compatible with CDSI/HDSI security dogging indicators, QEL electronic latch retraction, RX (Request to Exit) and LX (Latchbolt Monitoring) electronic switches, AX accessible device upgrade (certified to 5 lb. force ADA requirements), and CX CHEXIT delayed egress option meeting NFPA and IBC requirements.
• Multiple Certifications: Meets ANSI/UL 10C (fire-rated configurations), ANSI/UL 305, CAN/ULC-S104 (fire-rated configurations), and CAN/ULC-S132 standards for comprehensive code compliance.

Technical Specifications

• Product Group: Exit Devices and Trim
• Series: 33 & 35 Series
• Grade: Grade 1
• Fasteners: Includes 1-3/4" and 2-1/4" wood/metal door fasteners, SNB included
• Product Subgroup: Exit Devices - Vertical Rod
• Product Type: Exit Devices - Concealed Vertical Rod
• Subcategory: Concealed Vertical Rod Exit Devices
• Latch Throw: 1-1/2"
• Commercial/Residential: Commercial
• Device Centerline from Finished Floor: 39-13/16"
• Stile Type: Narrow Stile
• MAP Policy: Yes
• Product Model: 3348A/3548A-3'
• Product Function: EO, DT, NL, NL-OP, L, L-BE, TL, TL-BE, T, T-BE
• Door Hand Direction: Non-Handed
• Door Thickness Range: 1-3/4"
• Product Size: 36"
• Dogging Configuration: Hex Key Dogging
• Product Dimension: 8-3/16" x 1-9/16" x 2-13/32"
• Fire Rating: No
• Product Projection: 3-13/16"
• Product Style: Push Pads
• Product Category: Exit Devices and Trim
• Department: Door Hardware

Professional Applications

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

Why Choose Von Duprin Quality?

Von Duprin concealed vertical rod exit devices are engineered to the highest industry standards, with ANSI/BHMA A156.3 2014 Grade 1 certification and UL listing for panic exit hardware ensuring dependable performance in the most demanding institutional environments. The 3348A/3548A-3 is purpose-built for high-use and high-abuse applications, featuring a robust one-piece center case cover, narrow stile compatibility down to 2-1/8", and a comprehensive suite of field-configurable and retrofit options. Engineered for commercial applications where code compliance, durability, and operational flexibility are essential.