Von Duprin 3349A-EO/3549A-EO - Exit Only Concealed Vertical Cable Devices for Hollow Metal Doors

Von Duprin 3349AEO-F Grade 1 Fire-Rated Concealed Vertical Cable Exit Device

The Von Duprin 3349AEO-F is a Grade 1 fire-rated concealed vertical cable exit device, engineered for reliable performance in demanding environments. Designed specifically for narrow stile applications (as narrow as 3 1/2" [90mm]), this exit-only device features a sleek one-piece center case cover for improved durability and aesthetics. The 3349AEO-F is non-handed, allowing for flexible installation (except when the optional SS signal switch is used).

Ideal for high-security and commercial settings, the 3349AEO-F includes stainless steel 7/32" (6mm) diameter vertical cables, making it a durable solution for fire-rated doors requiring concealed hardware.

Key Features & Specifications:

• Function: EO – Exit Only

• Fire Rating: UL Listed, Grade 1

• Device Lengths:

  • 3': For door sizes 2'4" to 3' (711mm to 914mm)

  • 4': For door sizes 2'10" to 4' (864mm to 1219mm)

• Device Centerline: 39 13/16" (1006mm) from finished floor

• Pushpad Projection:

  • Neutral: 3 13/16" (97mm)

  • Depressed: 3 1/16" (78mm)

• Center Case: 8 13/16" x 2 13/32" x 1 9/16" (208mm x 62mm x 40mm)

• Mechanism Case: 2 1/4" x 2 1/4" (57mm x 57mm)

• Latch Bolt: Deadlocking anti-friction top and bottom bolts with 1/2" (13mm) throw

• Latch Cases (Top & Bottom): 5 13/16" x 1 1/4" x 1 7/16" (147mm x 32mm x 37mm)

• Door Undercut: 3/4" (19mm) max

Finishes:

Available in architectural finishes including: 605, 606, 612, 619 (35A only), 625, 626, 626AM, 628, 710, 711

Fasteners:

Includes screw pack for 1 3/4" (44mm) and 2 1/4" (57mm) thick wood and metal doors.

• #425 SNB furnished standard for end case

• #325 SNB furnished standard for EO configuration

Electrified Options:

Quiet Electric Latch Retraction (QEL):
Provides low-noise electronic control while maintaining mechanical egress. Can be integrated with access control systems for momentary or extended latch retraction. Suitable for environments requiring quiet operation.

• Voltage: 24VDC

• Current Draw: 1.0 A Inrush (0.5 sec.), 0.14 A Holding, 2.0 A Calibrate (3 sec. one-time)

• UL Approved for Class II circuits

• Requires compatible power supply and transfer (not included)

Electric Latch Retraction (EL):
Enables remote unlatching via control station or integration with fire alarm systems and automatic door operators. Allows doors to be switched to push/pull function for accessibility.

• UL Approved for Class II circuits

• Requires continuous duty power source and separate hardware for power transfer