Description
The Von Duprin 33ATL 3 US4 is a Grade 1 panic exit device designed for single and double doors with mullions. UL listed and ANSI A156.3 compliant, it features a grooved mechanism case, deadlocking latchbolt, and hex key dogging standard. Ideal for commercial facilities requiring reliable emergency egress hardware.
Compatible with wood and metal doors, this rim device is non-handed (except with signal switch option) and accepts multiple electric and mechanical upgrades including latch monitoring, electric latch retraction, and alarm kits. Contact E.D. Locks at sales@edlocks.com or 1-877-207-6067 for expert guidance on configuration, keying, and installation support as an authorized Von Duprin dealer.
Specifications
- Grade: 1 (ANSI A156.3 ± 2014)
- Device Lengths: 3' (711-914 mm), 4' (864-1219 mm)
- Center Case Dimensions: 8 3/16" 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)
- Latchbolt: Deadlocking, 3/4" (19mm) throw
- Pushbar Projection: Neutral 3 13/16" (97 mm), Depressed 3 1/16" (78 mm)
- Device Centerline: 39 13/16" (1011 mm) from finished floor
- Fasteners: Sex bolts 1 3/4" to 2 1/4" (44-57 mm) for wood and metal doors
- Strike: 1439 Dull Black
- Dogging: Hex key standard; CD cylinder or LD (less dogging) options
- Electric Options: LX latchbolt monitor, RX/RX2 pushpad monitor, SS signal switch, EL electric latch retraction, ALK alarm kit
- Other Options: PN pneumatic latch retraction, GBK glass bead kit
