RKB 500x250 A1 EC Updated: 2023-08-28

7470089 - RKB 500x250 A1 EC-y3

  • Duct fan with rectangular connections.
  • Proven performance and reliability.
  • High capacity and very good efficiency.
  • Impeller with backward curved blades.
  • The external rotor motor has maintenance-free sealed ball-bearings and is very energy efficient.
  • Speed controlling can be done with the built-in potentiometer, 0-10 V alt. external control.
  • Integrated motor protection.
  • Junction box has enclosure class IP 54.
  • Fan housing is manufactured from galvanized sheet steel.
  • Swing-out design to simplify maintenance and cleaning of the impeller.
  • The fan is intended to be installed in a duct system.
  • A duct connected fan can be installed outside or in damp environments.
  • Easy installation in any position.