Von Duprin CXA9857L-NL-05-F 4 28 R RGO Delayed Egress Exit Device Satin Aluminum Clear Anodized

• 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

RHR

Color

Satin Aluminum Clear Anodized

Color Code

628/US28

Door Thickness

1 3/4 In. – 2 1/4 In.

Door Width

34 In. – 48 In.

Device Length

48 In.

Door Height

84 In.

Cylinder Type

Rim

Fire Rated

3 Hours {A}, Yes

Trim Design

05-Lever

Design A

05 Lever

Device Type

3 Point

Includes Cylinder(s)

No

Includes Trim

Yes

Mechanical Function

Lever Night Latch

Mechanical Options

Fire Rated Device

Minimum Stile Size

Wide

Package Qty

1

Physical Appearance

Wide Stile Pushpad

Special Marks

Fire rated 3 Hours {A}

Strike Bottom

304L

Strike Top

299F (2)

Trim Type

Nightlatch Lever

Trim Part No.

996L-NL-R/V

Base Material

Aluminum

Door Material

Metal or Wood

Product Overview

Delayed Egress Exit Device, Three Point Latch, with Nightlatch Lever Trim, Fire Rated, Satin Aluminum Clear Anodized

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.