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Electronic Speed Limit Sign | AD303

Supplier: AD Engineering

A.D. Engineering's AD303 ESLS (electronic speed limit sign) displays up to three different speed limits (40, 60, 80) depending on local requirements.

Price Guide: POA

Designed for hassle free installation, simple annual maintenance, superior reliability and power efficiency, the AD303 is the ideal choice for Australian conditions. The AD303 use ultra-bright, highest quality and long life LED technology.

AD303's are available in Australian standard types A, B and C.


  • High Brightness LED Display
  • Automatic Brightness Adjustment
  • Time & Date Scheduled Change Times
  • Local & Remote (optional) Programming
  • Long Life Cycle
  • Synchronised Flashing of Annulus in Master / Slave Pairs
  • Powder Coated Aluminium Enclosure - IP65
  • Lockable & Secure Enclosure
  • Impact Resistant Polycarbonate Screen
  • Facility Key Switch for Road Workers / Police / Emergency Services

Optional Features

  • GPS Time Synchronisation
  • Customised Speeds
  • GSM / CDMA / Satellite Programming
  • Local Radio Network Control
  • Interface to Existing Control Networks

Conforms to Australian Standards:

  • AS 1742.2, Manual of Uniform Traffic Control Devices
  • AS 1743, Road Signs - Specifications
  • AS 1744, Standard Alphabets for Road Signs
  • AS 1939, Degrees of Protection
  • AS 3000:2000, Wiring Rules
  • AS/NZS 2144:2002, Traffic Signal Lanterns