NGB Elram Industries’ N500 HD-gearbox for tunnel doors is a reliable and robust solution for opening and closing heavy tunnel doors.

  • Chain sprocket coupling with 2″ pipe sleeve [EL302-42-31-33]
  • Built-in adjustable Limit Switches.
  • Power: 3-Phase, 0.37Kw, 230/400Vac, 50Hz, 1400 rpm. [*]
  • Peak Torque: 500Nm.
  • Output speed: 2.8 rpm. [*]
  • The N500 unit comes with an Emergency Manual Operation shaft extension.
  • GearMotor weight: 20 Kg.
  • Optional Accessories: