333L Cabinet

333L Cabinets are robust and intelligent cabinets designed to provide state-of-the-art control in a format which combines a 340 ITS Cabinet with Caltrans approved 170/2070 electronics. In addition to traffic control, the 333L Cabinet’s advanced design is applicable to many other control requirements including sign control, CCTV, ramp meters, communications hubs, and high-occupancy vehicle systems.


  • Use for traffic control or other applications
  • Combines the best of ITS and Caltrans approved cabinet standards
  • Save energy
  • Versatile, weatherproof, and secure cabinet
  • Interchange assemblies between manufacturers
  • Access spacious interior though two sets of double doors
  • Reduce the effects of vandalism with optional anti-graffiti coating

Standard Features

  • 8-phase, 4-pedestrian operation
  • 36 detector channel capability
  • 2-channel or 4-channel industry standard detection modules
  • Railroad (2) and emergency vehicle (4) preemption inputs
  • Solid state relay (SSR)
  • Relay safety feature
  • Programmable “Yellow/Red” or “All Red” flashes
  • DC isolation inputs for pedestrian push buttons and special functions
  • 210 Signal Monitor slot
  • Transient voltage and surge suppression filter
  • Drawer/shelf combination
  • Lights


  • 14-position input files (2)
  • 12-position output file
  • Power-saving, high-efficiency power supply
  • Flash transfer relay sockets (4)
  • Dual-circuit flasher sockets (2)
  • Input panel
  • Service panel
  • Police panel with signal “On/Off” and “Auto/Flash” switches

General Specifications

Dimensions 67” H x 45” W x 26” 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), all full size
Handles 3/4” round, stainless steel, with padlock feature
Mounting Base mounted (fits NEMA P and R foundations)
Weight 368 lbs without plug-ins or controller


  • Anchor bolts for mounting