Von Duprin QEL3548AEO 3 315 Grade 1 Narrow CVR Exit Device 711

Von Duprin QEL3548AEO 3 315 Grade 1 Narrow CVR Exit 711 is a high-performance concealed vertical rod exit device designed for safety and convenience in commercial environments. This Grade 1 device features a slim pushpad suitable for narrow stile doors, measuring 36" in length, and is engineered for exit-only functionality without trim or dogging. Constructed with a black anodized aluminum finish, the QEL3548AEO is both durable and aesthetically pleasing. It is non-handed, allowing for flexible installation on hollow metal single and double doors, fitting door stiles as narrow as 2 1/8". The device boasts quiet electric latch retraction, enhancing ease of use in busy settings. The vertical rods are adjustable, with the top rod accommodating heights from 6’8" to 8’4" and the bottom rod adjustable from 35 5/8" to 49 5/8", making it adaptable for various door sizes. This UL-listed device meets ANSI A156.3 2008 Grade 1 standards, ensuring reliability during panic exit situations. With a robust deadlocking anti-friction bolt and a streamlined mechanism case, the Von Duprin QEL3548AEO provides secure and efficient access control, making it an ideal choice for building professionals and knowledgeable homeowners alike.

Grade 1 Narrow CVR Exit 711

Grade 1 Concealed Vertical Rod Exit Device, Narrow Stile Pushpad, 36", Exit Only, Less Trim, Less Dogging, Quiet Electric Latch Retraction, Black Anodized Aluminum Finish, Non-Handed

3348A and 3548A for hollow metal single and double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 2008 Grade 1. The 3548A has a smooth mechanism case and the 3348A has grooved case. The concealed vertical rod device is non-handed except when the SS (Signal Switch) option is used. See opposite page for available outside trim and device functions.

3548A for Hollow metal single and double doors, UL listed for panic exit hardware.

3348A/3548A fits door stiles as narrow as 2 1/8" (44 mm). Newly designed device has a one piece center case cover.

• Device lengths: 2' 2' (610 mm) Door size 3' 2'4" to 3' (660mm to 914 mm) door size 4' 2'8" to 4' (813 mm to 1219 mm) door size
• Device centerline from finished floor: 39 13/16" (1006mm) Standard, adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm)
• Center case dimensions: 8 13/16" 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)
• Projection: Pushbar neutral – 3 13/16" (97 mm) Pushbar depressed – 3 1/16" (78 mm)
• Latch bolt: Deadlocking anti-friction top & bottom bolt 3 /4" (19mm) throw Deadlocking anti-friction top & bottom bolt 1 1 /2" (38mm) throw
• Door undercut: 3 /4" (19mm)
• Top & bottom latch: 4 1/2" x 2 7/8" x 1 1/2" (114mm x 54mm x 38mm)
• 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)
• 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)

Resources

• EL for Exit Devices Data Sheet
• Von Duprin Finishes Chart