Von Duprin 3549A-EO Narrow Stile Concealed Vertical Cable Exit Device, Exit Only, 36" Wide x Adjustable to 96", Hex Dogging, Grade 1

Von Duprin 3549A-EO Narrow Stile Concealed Vertical Cable Exit Device, Exit Only, 36" Wide x Adjustable to 96", Hex Dogging, Grade 1

Commercial-Grade Concealed Vertical Cable Exit Device for Narrow Stile Hollow Metal Doors

The Von Duprin 3549A-EO is a professional-grade narrow stile concealed vertical cable exit device engineered for hollow metal single and double doors requiring an exit-only configuration with no outside trim. Designed to fit door stiles as narrow as 2 1/8" (44 mm), this device accommodates a 36" door width and is adjustable up to 96" in height, making it highly versatile for a wide range of commercial openings. UL listed for panic exit hardware and certified to ANSI A156.3 – 2008 (LBL option 2014) Grade 1, the 3549A features a smooth mechanism case and a newly designed one-piece center case cover for streamlined installation and a clean aesthetic. The concealed vertical cable design is non-handed, simplifying specification and installation across varied applications.

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 where space is limited.
• Adjustable Door Height Coverage: Accommodates a 36" door width and is adjustable up to 96" in height, with device lengths available for door sizes from 2' up to 4' (610 mm to 1219 mm) for flexible installation.
• Precise Dimensional Specifications: Center case measures 8 13/16" x 2 13/32" x 1 9/16" (208 mm x 62 mm x 40 mm); mechanism case is 2 1/4" x 2 1/4" (57 mm x 57 mm); device centerline from finished floor is 39 13/16" (1006 mm).
• Deadlocking Anti-Friction Latch Bolt: Top and bottom bolt features a 1/2" (13 mm) throw with deadlocking anti-friction design, providing reliable latching performance and resistance to forced entry.
• Stainless Steel Vertical Cables: 7/32" (6 mm) diameter stainless steel cables deliver long-term durability and corrosion resistance in demanding commercial environments.
• Hex Key Dogging Standard: Hex key dogging is included as standard, with additional dogging options available including cylinder dogging (CD), cylinder dogging with security indicator (CDSI), hex dogging with security indicator (HDSI), and less dogging (LD).
• Comprehensive Electrified Options: Supports a full range of electrified upgrades including alarm exit kit (ALK), Chexit delayed exit (CX), electric latch retraction (EL), quiet electric latch retraction (QEL), emergency secure lockdown (ESL), request to exit (RX), signal switch (SS), Allegion Connect (CON), and more for integrated access control solutions.
• Broad Mechanical Options: Available with accessible device (AX), glass bead kit (GBK), hurricane (HH), Insulclad kits for 1/2" and 1/4" panels (INS-2/INS-4), less bottom latch (LBL), Pullman latch (PL), pneumatic (PN), security screws (SEC), safety glow (SG), sex bolts (SNB), and weep holes (WH).
• Included Fasteners: Includes sex bolts (SNB) for 1 3/4" (44 mm) to 2 1/4" (57 mm) metal doors; #425 SNB furnished standard for end case; #325 SNB furnished standard for EO (exit only) configuration.
• UL Listed & ANSI Grade 1 Certified: UL listed for panic exit hardware and meets ANSI A156.3 – 2008 (LBL option 2014) Grade 1 standards, ensuring compliance with the most demanding commercial and life-safety code requirements.
• Non-Handed Design: The concealed vertical cable device is non-handed (except when the SS signal switch option is used), simplifying ordering and installation across varied door configurations.

Technical Specifications

• Product Group: Exit Devices and Trim
• Series: 33/35 Series
• Grade: Grade 1
• Product Subgroup: Parts and Accessories
• Subcategory: Parts and Accessories
• Product Type: Exit Devices Parts
• Commercial/Residential: Commercial
• Parts and Accessories Type: Replacement Parts
• Product Attribute: Parts and Accessories
• Product Function: Exit Only
• Dogging Configuration: HD - Hex Dogging
• Fire Rating: No
• Strike Classification: Vertical Rod Bottom Strike, Vertical Rod Top Strike
• Product Height: 82-96"
• Product Category: Exit Devices and Trim
• Product Width: 36"
• Department: Door Hardware

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 Von Duprin Quality?

Von Duprin concealed vertical cable exit devices are engineered to meet the most rigorous commercial life-safety standards, with UL listing for panic exit hardware and ANSI A156.3 – 2008 Grade 1 certification confirming exceptional performance and reliability. The 3549A-EO's stainless steel vertical cables, deadlocking anti-friction latch bolts, and one-piece center case cover reflect a commitment to durable, professional-grade construction suited for high-traffic commercial openings. With a comprehensive range of electrified, mechanical, trim, and finish options, Von Duprin delivers the flexibility and dependability that demanding commercial applications require.