Von Duprin EL3347AEO 3 US28 Grade 1 Narrow CVR Exit Device 628

Von Duprin EL3347AEO 3 US28 Grade 1 Narrow CVR Exit 628 is a robust concealed vertical rod exit device designed for commercial applications. This Grade 1 device features a narrow stile pushpad and is tailored for exit-only functionality, providing reliable egress solutions. With a sleek satin aluminum clear anodized finish, it not only enhances security but also complements modern architectural aesthetics. Measuring 36 inches in length, the EL3347AEO is ideal for both single and double doors, accommodating door stiles as narrow as 2-1/8 inches. Its advanced electric latch retraction ensures swift and secure door operation, while hex key dogging offers additional control when needed. The deadlocking anti-friction latch bolts provide enhanced security with a 5/8-inch throw. This device is UL listed for panic exit hardware and meets the ANSI A156.3 - 2001 Grade 1 standards, ensuring durability and reliability. With an adjustable top rod ranging from 6'8" to 8'4" and a bottom rod adjustable from 35 5/8" to 49 5/8", the EL3347AEO is versatile enough to accommodate various door heights. Designed for easy installation and backed by a 3-year limited warranty, the Von Duprin EL3347AEO is the perfect choice for demanding commercial settings.

Grade 1 Narrow CVR Exit 628

Grade 1 Concealed Vertical Rod Exit Device, Narrow Stile Pushpad, Exit Only, Less Trim, 36", Hex Key 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