Exit Device Aged Bronze

Roll over image to zoom in

Von Duprin CXA3347A-T-F 3 643E Exit Device Aged Bronze

Item #: CXA3347A-T-F 3 643E by Von Duprin

See reviews See reviews
The item is currently out of stock and it may or may not be restocked

Shop with Confidence

30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.

Trim Design

Cylinder and Thumbturn

Door Height

80 In. - 100 In.

Mechanical Function

Auxiliary Thumb Control Classroom


Aged Bronze

Physical Appearance

Narrow Stile Pushpad




Grade 1

Fire Rated

Yes {Variable}

Special Marks

Fire rated Yes {Variable}

Cylinder Type

1-1/4 In. Mortise

Includes Cylinder(s)


Device Type

Concealed Vertical Rod

Strike Bottom


Mechanical Options

Fire Rated Device

Package Qty


Door Width

28 In. - 36 In.

Includes Trim


Device Length

36 In.

Door Thickness

1 3/4 In. - 2 1/4 In.

Strike Top


Trim Type

Classroom Thumbturn

Design A

Turn Lever

Trim Part No.


Electric Options

Delayed Egress Device 15 Seconds

Color Code


Base Material


Minimum Stile Size


Door Material

Hollow Metal

Grade 1 Concealed Vertical Rod Exit Device, Narrow Stile Pushpad, Auxiliary Thumb Control Classroom Function, Lever with Escutcheon Thumbturn, 36", Hex Key Dogging, Motorized Latch Retraction, Aged Bronze Finish, Non-Handed

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.

3347A fits door stiles as narrow as 2-1/8" (44 mm), wood door stiles as narrow as 4" (102mm).

3347A is for all types of single and double doors, UL listed for panic exit hardware. Devices are ANSI A156.3 – 2001 Grade 1 and the 3347A has a grooved case. The concealed 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: 3 3/4" x 1 1/2" x 1" (89mm x 38mm x 25mm)

Vertical rods: Round 2 piece adjustable rods Top rod adjustable from 6'8" (2027mm) to 8'4" (2533mm) Bottom rod adjustable from 35 5/8" (905mm) to 49 5/8" (1260mm) Extension rod kits available for doors over 8'4" (2533mm)

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)