Series 33A/35A

Series 33A/35A Exit Device Specifications

Von Duprin pushpad exit devices are available in two external surface styles, designated 33A Series and 35A Series. The two styles are mechanically and dimensionally identical and provide a wide selection of appearance options.

• 33A Series features grooved mechanism case

• 35A Series features smooth mechanism case

• Deadlocking latchbolt prevents forced latchbolt retraction

• The Quiet One® fluid damper eliminates most device noise

Touch bar exit devices are mounted on the egress side of the door.
They can be mounted for rim, mortise, surface vertical, or concealed vertical applications.

Single Door Applications

Double Door Applications

33A / 35A Rim Exit Devices

For all types of single and double doors with mullion; UL listed for Panic Exit Hardware. Devices are ANSI A156.3 – 2001 Grade 1. The 35A has a smooth mechanism case and the 33A has grooved case. The rim device is non-handed except when the SS (Signal Switch) option is used. 33A/35A fits door stiles as narrow as 1³⁄₄" (44mm). Newly designed device has a one piece center case cover. Architectural finishes: US3, US4, US10, US15 (35A Only) US26, US26D, US26D-AM,US28, 313 and 315.

• Lengths: 3' for door size 2'4" to 3' (711mm to 914 mm); or 4' for door size 2'10" to 4' (864 mm to 1219 mm)
• Device Centerline from Finished Floor: 39-13/16" (1011 mm); or 39-11/16" (1008 mm) with mullion
• Center Case Dimensions: 8-3/16" x 1-9/16" x 2-13/32" (208mm x 40mm x 62mm)
• 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, 3/4" (19mm) throw
• Fasteners & Sex Bolts (SNB): Includes 1-3/4" (44mm) to 2¼" (57mm) wood & metal doors; #425 SNB furnished standard for end case; #325 SNB furnished standard for EO (exit only device)

Trim Operation Lever

33A / 35A Rim Device Options

• Bolt retraction via switch
• Converts exit door to push-pull operation

• Signals use of an opening
• SPDT switch to monitor pushpad

• Meets NFPA 101 requirements
• Self-contained controls, locking, alarm

• Unauthorized opening triggers 85-decibel horn
• Set in armed or disarmed mode by key

• Enables remote unlatching
• Alternative to manual dogging

• Self illuminating touchpad
• No batteries or electronics

• Electrified remote locking/unlocking
• Fail safe & fail secure options available
• No key override

• Replaces hex key dogging
• Requires standard 1-1/4" mortise cylinder

• For areas where electrical devices banned
• Special linkage for mechanical or pneumatic dogging

For additional specifications, see catalogue under Downloads tab.

Von Duprin created the first panic exit bar in response to the Iriqouis Theatre Fire of 1903 in Chicago. The fire caused the highest loss of life in history for a single building fire, taking a total of 602 lives in 20 minutes.