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Motorized Exit Devices Bright Brass

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Von Duprin QEL9957K-DT 3 US3 Motorized Exit Devices Bright Brass

Item #: QEL9957K-DT 3 US3 by Von Duprin

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Features
  • 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.

Grade

Grade 1

Hand

Non-Handed

Color

Bright Brass

Color Code

605/US3

Device Length

36 In.

Fire Rated

No

Trim Design

Knob

Device Type

3 Point

Electric Options

Electric Latch Retraction

Includes Trim

Yes

Package Qty

1

Physical Appearance

Wide Stile Pushpad

Trim Type

Dummy Knob

Base Material

Brass

Origin

USA

BAA Qualified

Yes

Package Height

10.5

Package Length

37

Package Volume

1942.5

Package Width

5

Product Overview

Quiet Electronic Latch Retraction, Three Point Latching Device, Knob Dummy Trim, Bright Brass

9857/9957 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. The 9857 device has a smooth mechanism case and the 9957 device has a grooved case. The three-point latching device is non-handed except when the following device options are used: SD (special dogging), or SS (signal switch). See opposite page for available outside trim and functions. 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 9957 Series covers stock hollow metal doors with 86 or 161 cutouts.

The 9957 Series by Von Duprin has a grooved case and is UL listed for panic exit hardware. The three-point latching device is non-handed except when the following device options are used: SD (special dogging), or SS (signal switch).