Von Duprin QEL9857NL-OP 4 315 Grade 1 3-Point Exit Device 711

Von Duprin QEL9857NL-OP 4 315 Grade 1 3Pt Exit Device 711 offers a robust solution for commercial door security with its Grade 1, 3-point latching design. Designed to fit 48" exit requirements, this device is ideal for 84" doors, ensuring reliable functionality in high-traffic environments. The night latch function combined with motorized latch retraction enhances accessibility while maintaining security, making it suitable for both single and double doors. Crafted from durable black anodized aluminum, this exit device features a smooth mechanism case and a sleek escutcheon pull for ease of use. The UL-listed device is ANSI A156.3 compliant, providing confidence in its performance as panic exit hardware. It accommodates standard hollow metal doors with 86 or 161 cutouts and offers field-selectable functions for versatile installation options. The QEL9857NL-OP also includes a comprehensive screw pack for various door thicknesses and can be field-reversed, ensuring adaptability for different setups. With a deadlocking anti-friction latch bolt and optional vertical rod guards, it protects against damage from wheeled traffic. This exit device is a reliable choice for enhancing door security in commercial applications while ensuring a smooth exit experience.

Grade 1 3Pt Exit Device 711

Grade 1 3 Point Exit Bar, 48" Device, 84" Door Height, Night Latch Function, Escutcheon Pull, Motorized Latch Retraction, Less Dogging, Black Anodized Aluminum Finish, Field Reversible

9857/9957 Three-point latching device for all types of single or double doors, UL listed for panic exit hardware. Covers stock hollow metal doors with 86 or 161 cutouts. Vertical rod and latch guards are available to protect the bottom rod of the exit device from damage by impacts of carts or gurneys passing through doors.

The 9857 device has a smooth mechanism case.

Three-point latching device for all types of single or double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 – 2008 Grade 1. Covers stock hollow metal doors with 86 or 161 cutouts.

• Device functions: Device ships EO/DT/NL. Field selectable. For TP, K or L remove NL drive screw from device.
• Device lengths: 3' 2'4' to 3' (711mm to 914 mm) Door size 4' 2'10" to 4' (864 mm to 1219 mm) Door size
• Device centerline from finished floor: 3913/16" (1011 mm) Center case dimensions 8" x 2 3/4" x2 3/8" (203mm x 70mm x 60mm)
• 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 Deadlocking rim bolt, 3 /4" (19mm) throw
• Door undercut: 1 /4" (7mm) recommended
• Top & bottom Latch case: 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) doors. Top rod length: 34 15/16" (887mm); Bottom rod length: 31 1/2" (794mm) Extension rods available in 1' (205mm) or 3' (914mm) for doors over 7'. One piece top rod is available for 8' (2438mm) and 10' (3048mm) doors.
• Fasteners & sex bolts (SNB): Includes screw pack for 1 3/4" (44mm) to 2 1/4" (57mm) thick metal or wood doors, and 325 SNB for top and bottom latch. Optional 425 SNB available

Resources

• 9857 3-Point Locking Exit Device Cut Sheet
• QEL 98/99 Baseplate Conversion Series Installation Instructions
• QEL Conversion Kit for 98/99 Series Installation Instructions
• 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 Exit Alarm Kit Sell Sheet
• Von Duprin Finishes Chart
• Von Duprin LD Cover Plate for 33/35 & 98/99 Exit Devices Installation Instruction
• Von Duprin Pneumatic Exit Device Installation Instructions