Vapor Bus International will be the leader in providing passenger door systems and related accessory systems to the North American Transit Bus Industry.

  Relays & Contactors


  • Broad line of heavy duty relays and contactors
  • Qualified for transportation service 
  • Contact configurations for low and high voltage direct and alternating current
  • Diesel electric and electric locomotive traction and auxiliary controls
  • Controls for railcar subsystems
    - Doors
    - HVAC
    - Other
  • Critical circuit applications on railcars