8400 Series Mortise Exit Devices

The 8400 Series Narrow Stile Mortise Exit Device is designed for narrow stile aluminum applications that require a life-safety exit device with mortise locking solution.

Designed for use in single door applications.


UL 305 Panic Hardware
ANSI/BHMA A156.3, Grade 1


Materials: Push bar made of extruded aluminum, clad or anodized in a variety of finishes.

Handing: Specify handing and bevel if applicable.

Push bar Length: Standard sizes dimensioned for 30" [762.0mm], 36" [914.4 mm], 42" [1,066.8 mm], and 48"[1,219.2 mm] openings. Standard width bars can be field cut to the next smallest opening width.

Backset: 31/32" [24.6 mm], 1-1/8" [28.6 mm], or 1-1/2"[38.1 mm]. Fits standard cutout used for the Adams Rite 4900 Heavy Duty Deadlatch on narrow stile aluminum doors.

Door Thickness: Suits 1-3/4" [44.5 mm] standard. Device can be modified for thicker doors using Thick Door Kit available separately, or for thermal doors using Thermal Door Kit available separately.

Stile Width: Minimum 2" [50.8 mm] stile. Fits narrow, medium, and wide stile aluminum doors.

Projection: 2-5/8" [66.7 mm] when fully projected,1-5/8" [41.3 mm] when dogged.

Dogging: Standard dogging with hex key or optional cylinder dogging. Electric dogging option also available.

Fasteners: Standard machine screws.

Cylinders: Accepts any standard 1" [25.4 mm] length, 1-5/32" [29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder.  Accommodates cylinder lengths from 1" [25.4 mm] to1-1/4" [31.8 mm]. Available separately.

Cylinder x Fixed Pull Functions: For function 03 (Night latch - key releases latch) select any standard 1" [25.4 mm] length,1-5/32" [29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder. Function 03 is not applicable to 8475 Mortise Mid-Panel Exit Device.

Entry Trim Functions: For entry trim function 08 (key locks/unlockslever) or function 09 (key releases lever) select any standard 1" [25.4 mm] length, 1-5/32"[29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder. Accommodates cylinder lengths from 1" [25.4mm] to 1-1/4" [31.8 mm].  Available separately.

Bolts and Strikes: Mortise deadlatch with bolt measuring 5/8" x 1" x 5/8" [15.9 mm x 25.4 mm x 15.9 mm] throw. Solid brass bolt. A variety of strikes are availablefor different applications:
• Standard strike of stainless steel included, Extended Lip Strike 8460 available separately, Long Face Strike 8455-01 available separately.

Standard Package: Individually boxed.

Shipping Weight: 11 lbs [4.99 kg]


• Electrification Options: (MLR) Motorized Latch Retraction, Electric Latch Retraction(LR), Alarm, Monitoring
• Mechanical Options: Cylinder Dogging, Matching End Caps


Related Products: When purchasing this product, please consider the following related products, available separately:

Accessories Cylinders Trim Electric Strikes Power

Thick or Cladded Door Kits, 8360-17 Extended Lip Strike, 8455-01 Longface, 8460-XX Long Lip Strike, 4901 & 4902 Deadlatch Strike, REX-Monitor/Signal Kits

Operable by either 4036 Mortise Cylinder depending upon the ANSI/BHMA functions of the exit device. 3080, 3080E Series Entry Trim, 3090-150 Keyless Entry

7100/7101, 7110/7111, 7130/7131, 7140 Series

7400/7401, 7410/7411, 7430/7431, 7440 Series

PS-EXIT Power Supply4612 Power Transfer Device4603 Rectifier, 4605 Transformer