Von Duprin QEL3347AEO 3 US28 Grade 1 Narrow CVR Exit Device 628

Von Duprin QEL3347AEO 3 US28 Grade 1 Narrow CVR Exit 628 is a high-quality concealed vertical rod exit device designed for both single and double doors. This Grade 1 exit device features a narrow stile pushpad and is engineered for exit-only functionality, ensuring safety and compliance in commercial environments. With electric latch retraction, it provides seamless operation, making it ideal for high-traffic areas. Constructed from durable aluminum with a satin aluminum clear anodized finish, the QEL3347AEO is both resilient and aesthetically pleasing. It accommodates door stiles as narrow as 2-1/8 inches and is suitable for doors ranging from 28 inches to 36 inches in width. The device is UL listed for panic exit hardware, meeting ANSI A156.3 - 2001 Grade 1 specifications, ensuring reliability and security. The device features adjustable vertical rods for versatile installation, with the top rod adjustable from 6'8" to 8'4" and the bottom rod from 35 5/8" to 49 5/8". It is designed for easy installation with included fasteners and is non-handed, providing flexibility during setup. With a limited three-year warranty, the Von Duprin QEL3347AEO is a dependable choice for enhancing door security in commercial settings.

Grade 1 Narrow CVR Exit 628

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

3347A and 3547A for all types of single and double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 - 2001 Grade 1. The 3547A has a smooth mechanism case and the 3347A 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.

3347A fits door stiles as narrow as 2-1/8" (44 mm), wood door stiles as narrow as 4" (102mm).

3347A is for all types of single and double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 – 2001 Grade 1 and the 3347A has a grooved case. The concealed vertical rod device is non-handed except when the SS (signal switch) option is used.

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)

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 5 /8" (16mm) throw

Door undercut: 1 /4" (7mm)

Top & bottom latch: 3 3/4" x 1 1/2" x 1" (89mm x 38mm x 25mm)

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

• 3347A Series Concealed Vertical Rod Exit Device Cut Sheet
• 372L-DT Control for 33/3547/47-F Metal Door Installation Instructions
• EL for Exit Devices Data Sheet
• QEL Data Sheet
• QEL Sell Sheet
• Quiet Electric Latch FAQ
• Von Duprin 33/35 and 98/99 ALK Alarm Kit Installation Instructions
• Von Duprin 33/35 and 98/99 End Cap Retrofit Kit Installation Instructions
• Von Duprin 33/3547A Service Manual
• Von Duprin 33/3547A/48A Bottom Rod Assembly Instructions
• Von Duprin 33/3547A/48A Top Rod Assembly Instructions
• Von Duprin 33/99 LD Kit Installation Instructions
• Von Duprin 3347A/3547A Installation Instructions
• Von Duprin Exit Alarm Kit Sell Sheet
• Von Duprin Finishes Chart