Von Duprin 3347A-EO-F/3547A-EO-F Series Fire Exit Concealed Vertical Rod Device. 3347A-F and 3547A-F for all types of double doors up to 8’ x 10’ (2438mm x 2540mm), UL listed for Fire Exit Hardware. Devices are ANSI A156.3 – 2001 Grade 1. The 3547A-F has a smooth mechanism case and the 3347A-F has grooved case. The concealed vertical rod device is non-handed except when the SS (Signal Switch) option is used.

3347A-F/3527A-F fits door stiles as narrow as 3 1/2”(90mm). Newly designed device has a one piece center case cover.

The 3347A-F/3547A-F devices are available in the following finishes; US3, US4, US10, US26, US26D, US28, 313 and 315. See catalog for finish chips.

• Device Lengths: 3’ 2’4" to 3’ (711mm to 914 mm) Door Size; 4’ 2’10" to 4’ (864 mm to 1219 mm) Door Size
• Strikes: Top – 338 – Unfinished, Bottom – 385A – Unfinished
• Dogging Feature: No mechanical Dogging, EL option available; Electric Options LX Latchbolt Monitor Switch; RX Pushpad Monitor Switch; RX2 Double Pushpad Monitor Switch; SS Signal Switch; EL Electric Latch Retraction; ALK Alarm Exit Kit
• Miscellaneous Options: PN Pneumatic Latch Retraction; LBR Less Bottom Rod; GBK Glass Bead Kit
• Fasteners & Sex Bolts (SNB): Includes 1 3/4" (44mm) – 2 1/4" (57mm) Wood & Metal Doors; #425 SNB furnished standard for end case; #325 SNB furnished standard for EO (exit only device)
• Latch Bolt: Deadlocking Anti-friction Top & Bottom Bolt 5/8" (16mm) throw
• Device Centerline from Finished Floor: 39 5/8" (1006mm) Standard, Adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm)
• Door Undercut: 1/4" (7mm)
• Center Case Dimensions: 8 3/16" x 2 13/32" x 1 9/16" (208mm x 62mm x 40mm)
• Mechanism Case Dimensions: 2 1/4" x 2 1/4" (57mm x 57mm)
• Vertical Rods: Round 2 piece adjustable rods; Top rod adjustable from 6’8”(2027mm) to 8’4”(2533mm); Bottom rod adjustable from 35 5/8”(905mm) to 49 5/8”(1260mm); Extension rod kits available for doors over 8’4” (2533mm)
• Projection: Pushbar Neutral – 3 13/16" (97 mm)
• Pushbar: Depressed – 3 1/16" (78 mm)