LED4000UL-24V Mass Notification Sign

General Description

Delivering the right message – to the right people at the right time, is paramount to life safety. From catastrophic natural disasters to terror threats, places like schools, college campuses, malls and industrial facilities face multi-layered emergency communications needs.

The LED4000UL-24V signs provide critical alerts and programmed messages automatically via highly visible, full color LED signage as soon as an emergency event is triggered, thus ensuring that all students, faculty or employees are aware of the crisis and know how to proceed to safety.

Key Features

  • Conformal-coated electronics allows sign to be used in Non-environmentally controlled areas
  • Character size: 2.1″ – 2 lines each and 4.8″ on a single line
  • Full RGB Capable
  • Stores up to 80 different messages
  • One year USA factory warranty
  • Designed for RS-485 data network
  • Designed to be powered from 24vdc
  • On board terminals for data & power
  • Compatible with our MNS controller
  • Mounts easily on wall or ceiling


  • The sign is designed for surface mounting. A low profile wall mount is provided with mounting holes on 16″ center. Use 1/2” all-thread for ceiling mount.
  • Use flex conduit for wiring connections.
  • Terminal blocks are provided for your connections, located on the back of the sign, under a cover plate Mounting bracket allows sign to be tilted as needed for easy readability.


  • Communication with controller is by connection to a dedicated RS-485 data network.
  • The messages are created and modified as needed by connection to a laptop by a USB cable and our software

Technical Specifications

  • Case Dimensions (With power supply): 25” x 3.1” x 7.2” (L x D x H)
  • Approximate Weight: 12.5 lbs
  • Display Dimensions: 25” x 4.8” (L x H)
  • Display Array: 120 x 16 pixels
  • Characters Displayed per line (Minimum)
    • One-Line: 4.8″ / 13
    • Two-Line: 2.1″ / 20
  • Case Material: Extruded Aluminum, with gasket
  • Mounting: Ceiling, wall, or stack mountable
  • Character Memory: 28,000 characters (~80 Messages)
  • Display Matrix: 80W x 16 H
  • Brightness: 1300 NITS
  • Display Color: RGB Capable – 64 Colors
  • Pixel Size (Diameter): 0.2″ (.05 cm).
  • Center-to-Center Pixel Spacing (Pitch): 0.3″ (7.62mm)
  • Character Sizes: (1-line format): 4.8″ (12.2 cm) – (2-line format): 2.1″ (4.3 cm)
  • Message Display Modes:  25, examples include: Automode ™ Hold, Roll (6 directions), Rotate, Sparkle-On, Twinkle, Interlock, Wipe (six directions) Spray-On, Slide Across, Starburst, Switch, Flash, Snow, Scroll
  • Built-In Animations: Cherry Bomb, Don’t Drink and Drive, Fireworks,
    Slot Machine, No Smoking, Running Animal, Moving Auto.
  • Power: 24 VDC
  • Current Draw
    • .8A for typical message
    • Blank: 160ma
    • Fully Lit: 2.2A
  • Memory Retention: One month typical
  • Internal Clock: Date and Time capable in 12/24 hr format
    • Maintains time up to 30 days without power
  • Communications: RS485
  • Operating Temp: -22°F – 122°F / -30° – 50°C
  • Humidity Range: 0%-95% non-condensing
  • UL1638
  • NFPA 72
  • FCC Class A