356i ATC Cabinet

356i 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 and compact cabinet size. 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.


  • Manage up to 24 detector inputs and 16-channel outputs
  • Safeguard against accidental shock from inadvertent contact with high voltages
  • Comply with leading standards on electrical safety, including NEC and NFPA 70E
  • Detect a dark approach for increased driver safety
  • Monitor FTR and flasher continuously to ensure operability
  • Allow for hot swappable output assembly for improved intersection safety
  • Connected vehicle ready

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-channel output assembly
  • 32-channel CMU
  • CMU auxiliary display unit
  • Model 2216-24 cabinet power supply
  • DC power / communication assembly
  • Clean AC power 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 assembly

General Specifications

Dimensions 46” H x 24” W x 20” D
Material 5052-H32 aluminum, 0.125” thick
Finish Natural, anodized, or powder coated with optional anti-graffiti coating
Door(s) Front (1), back (1), both full size
Handles 3/4” round, stainless steel, with padlock feature
Mounting Base, pole, or pedestal mounted
Weight 200 lbs without plug-ins or controller