353i ATC Cabinet

353i ATC cabinets combine the best of rack mount and serial-based designs to meet the needs of today’s LED intersections. Using smarter, high-density components, the cabinets offer unparalleled control capabilities for intersections that would otherwise require unorthodox wiring or a second cabinet. Users rave about the drastically reduced assembly size that leaves ample room for auxiliary equipment. With the most sold in the industry, our proven ATC Cabinets meet the needs of today’s smart cities and are ready for tomorrow’s challenges, including the future of connected and autonomous vehicles.


  • Safeguard against accidental shock from inadvertent contact with high voltages
  • Monitor FTR and flasher continuously to ensure operability
  • Allow for hot swappable output assembly for improved intersection safety
  • Connected vehicle ready
  • Built to comply with ATC Standard 5301 V02

Standard Features

  • Field output termination assembly provides removable contact blocks for easy connections to field signal wires, sockets for flash transfer relays (FTRs), and flash program blocks (FPBs) for output channels
  • All channels are flashable and programmable
  • FPBs control and select the color (red, yellow, or dark) during flash
  • Hermetically sealed high-density FTR features an LED indicator to visually confirm relay is operational and contacts have transferred
  • Interior LED cabinet lights (2), front and back
  • Model 2202 dual flasher/switch pack combination
  • Exterior is continuously welded


  • 24 or 48-channel input assembly
  • 2 or 4-channel industry standard detection modules
  • Uses industry standard input components (i.e. loop amplifiers, PPB, EVP, etc.”)
  • 16 or 32 channel output assembly
  • 32-channel CMU
  • CMU auxiliary display unit
  • Model 2216-24 cabinet power supply
  • >DC power / communication panel assembly
  • Clean AC power panel assembly
  • Police panel with On/Off, MCE, Auto/Flash, and Interval Advance push button cable
  • Slide-out drawer for storing programming blocks, plans, etc.
  • Fan panel assemblies

General Specifications

Dimensions 54” H x 45” W x 29” D
Material 5052-H32 aluminum, 0.125” thick
Finish Natural, anodized, or powder coated with optional anti-graffiti coating
Door(s) Front (2), back (2)
Handles 3/4” round, stainless steel, with padlock feature
Mounting Base mounted
Weight 250 lbs without plug-ins or controller