Von Duprin QEL3347ANL-OP 3 US28 Grade 1 Narrow CVR Exit Device 628

Von Duprin QEL3347ANL-OP 3 US28 Grade 1 Narrow CVR Exit 628 is a Grade 1 concealed vertical rod exit device designed for durability and efficiency. This model features a narrow stile pushpad for seamless operation and a night latch omit pull. With a length of 36 inches and electric latch retraction, it offers convenience and security for various commercial settings. The device is UL listed for panic exit hardware and complies with ANSI A156.3 – 2001 Grade 1 standards, ensuring reliability in emergency situations. It fits door stiles as narrow as 2-1/8 inches, accommodating both single and double doors with a door height up to 100 inches. The 3347A's design includes a grooved case and is non-handed, simplifying installation. Featuring deadlocking anti-friction top and bottom bolts with a 5/8-inch throw, this exit device enhances security. The adjustable vertical rods allow for customization, accommodating door heights from 6'8" to 8'4". Finished in satin aluminum with a clear anodized coating, the exit device not only performs well but also blends seamlessly into modern architectural designs. With a limited three-year warranty, the Von Duprin QEL3347ANL-OP is engineered for long-lasting performance, making it an excellent choice for commercial applications.

Grade 1 Narrow CVR Exit 628

Grade 1 Concealed Vertical Rod Exit Device, Narrow Stile Pushpad, Night Latch Omit Pull, 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