Von Duprin 78L-NL Rim Exit Device with Night Latch Lever

Usually Ships: 30-45 Business Days
  • ANSI/BHMA Grade-1 Certified, Made in USA
  • ANSI Function 09 (night latch – key retracts latchbolt)
  • Includes 780L-NL-R/V-06 lever (cylinder sold separately)

Available Options:


Von Duprin 78L-NL Grade-1 Rim Exit Device, Wide Stile Pushpad, Includes 780L-NL-R/V-06 Night Latch Lever Trim, Less Cylinder

Enjoy the quality and trust you expect from Von Duprin at a mid-price option. Von Duprin 70 Series exit devices provide reliable performance and peace of mind for applications like warehouse, industrial, office, multifamily, retail, and commercial real estate spaces.

78 Rim exit devices for all types of single and double doors with mullion, UL listed for panic exit hardware. Devices are certified to ANSI/BHMA A156.3 2014, Grade 1. Covers stock hollow metal doors with 86 or 161 cutouts on single doors (may cover cutouts on pairs – consult template).

  • Includes 780L-NL Trim, 06 Lever Design
  • For use with single doors or double doors with mullions
  • Deadlocking latchbolt standard
  • Stock Sizes: 3′ (32-3/4″ actual width) and 4′ (45″ actual width) – can be cut to size in the field
  • 299 Roller Strike Standard
  • ANSI/BHMA Certified, Grade-1
  • UL listed for panic exit hardware (-F Model listed for fire exit hardware)

780L-NL-R/V Lever Trim

  • ANSI Function: 09 (key retracts latchbolt, outside lever always locked – similar to storeroom function lock)
  • Escutcheon plate size: 9-3/4″ x 2-3/4″ x 7/8″
  • Projection: 3-1/4″
  • #06 lever style furnished standard
  • Cylinder must be ordered separately – Requires mortise cylinder with straight cam



313 Duranodic Dark Bronze, US4 (606) Satin Brass, US19 (315) Flat Black, US26D (626) Satin Chrome, US28 (628) Anodized Aluminum

ANSI/BHMA Standard

ANSI/BHMA A156.3 2014, Grade 1 Certified


Heavy Duty

Fire Rating

78L: Non-Fire-Rated – 78L-F: UL Listed A or B label Fire-Rated (3 Hours)


Accepts standard mortise cylinder (sold separately)


Device Non-Handed – Lever Ships as RHR (Field Reversible)


Deadlocking, 5/8" throw

Dogging Feature

Hex key dogging standard on non-fired-rated devices


299 roller strike standard, 299F strike with fire-rated device

Stile Type

Wide (Standard)

Center Case

7-7/8" x 2-3/4" x 2-3/8"


Pushbar Neutral – 3-13/16" – Pushbar Depressed – 3-1/16"


Includes screws for metal and wood doors

Door Applications

1-3/4″ Thick Doors


3 Year

Buy American Act Compliance

Meets Buy Amercian Act – Made in USA

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Von Duprin 78L-NL Rim Exit Device with Night Latch Lever