Von Duprin QEL3527AEO 3 US28 Grade 1 Narrow SVR Exit Device 628

Von Duprin QEL3527AEO 3 US28 Grade 1 Narrow SVR Exit 628 is a top-tier surface vertical rod exit device designed for both single and double doors. This Grade 1 device features a sleek, narrow stile pushpad and is equipped with a quiet electric latch retraction system, ensuring unobtrusive operation. With a device length of 36 inches, it is ideal for door widths ranging from 28 to 36 inches and accommodates door heights up to 84 inches. Constructed from durable aluminum with a satin clear anodized finish, the QEL3527AEO is built to withstand high-traffic areas while maintaining a professional appearance. It is non-handed, which simplifies installation and allows for versatile application across various door types. The device is UL listed for panic exit hardware, providing peace of mind in emergency situations. Key specifications include a deadlocking anti-friction latch bolt with a 5/8-inch throw, and it accommodates both metal and wood doors with a thickness of 1-3/4 inches. The device also includes fasteners for easy installation, ensuring you can secure your space effectively. With a limited three-year warranty, this exit device combines reliability with exceptional functionality, making it an excellent choice for commercial applications.

Grade 1 Narrow SVR Exit 628

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

3327A and 3527A for all types of single and double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 2008 Grade 1. The 3527A has a smooth mechanism case and the 3327A has grooved case. The surface 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.

For all types of single and double doors, UL listed for panic exit hardware.

 The surface 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: 4 1/2" x 2 1/8" x 1 1/2" (114mm x 54mm x 38mm)
• Vertical rods: 1 /2" square tubing, standard rods accommodate 7'(2134mm) door Top rod length is 34 15/16" (887mm) Bottom rod length is 31 1/4" (794mm) Extension rods available 1' (205mm) or 3' (914mm) for doors over 7' One piece top rod available for 8' (2438mm) -10' (3048mm) door
• 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) #325 SNB furnished for top and bottom latches

Resources

• 33/3527A & 33/3527A-F Series Wood Door Template
• 33/3527A-F-LBR Series Wood Door Template
• EL for Exit Devices Data Sheet
• SS333NL/TP Trim for 33/3527 Device Metal Door Installation Instructions
• Von Duprin Finishes Chart