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Von Duprin CXA9857L-NL-12-F 4 643E R RG Delayed Egress Exit Device Aged Bronze
Item #: CXA9857L-NL-12-F 4 643E R RG 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
Trim Design
12-Lever
Door Height
84 In.
Mechanical Function
Lever Night Latch
Color
Aged Bronze
Physical Appearance
Wide Stile Pushpad
Hand
RHR
Grade
Grade 1
Fire Rated
3 Hours {A}, Yes
Special Marks
Fire rated 3 Hours {A}
Cylinder Type
Rim
Includes Cylinder(s)
No
Device Type
3 Point
Strike Bottom
304L
Mechanical Options
Fire Rated Device
Package Qty
1
Door Width
34 In. - 48 In.
Includes Trim
Yes
Device Length
48 In.
Door Thickness
1 3/4 In. - 2 1/4 In.
Strike Top
299F (2)
Trim Type
Nightlatch Lever
Design A
12 Lever
Trim Part No.
996L-NL-R/V
Color Code
643E/US10B
Base Material
Steel
Minimum Stile Size
Wide
Door Material
Metal or Wood
Product Overview
Delayed Egress Exit Device, Three Point Latch, with Nightlatch Lever Trim, Fire Rated, Aged Bronze
The Von Duprin CHEXIT is a delayed egress option available on all 98/99, 98/99XP and 33A/35A series exit devices. It is commonly used in behavioral health, memory care, and maternity applications to prevent patient abduction or elopement and in retail stores for asset protection. All control inputs, auxiliary locking, local alarm and remote signaling outputs are self-contained. The CHEXIT can easily be integrated with access control, fire prevention and infant protection systems.
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.