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  5. RFE 250 B

RFE 250 B Updated: 2025-10-06

7720023 - RFE 250 BKU aut tc

Product marked with this symbol has an AC motor. An induction motor is an electric motor were the rotor speed is asynchronous with the input voltage frequency.

  • Single-phase single inlet radial fan.
  • Compact with high capacity and efficiency.
  • Low sound levels.
  • Impeller with forward curved blades.
  • The external rotor motor has maintenance-free sealed ball-bearings.
  • The motor is situated in the airstream to get ultimate cooling.
  • Integrated motor protection.
  • Junction box has enclosure class IP 54.
  • For speed control a transformer or electronic speed controller can be connected.
  • Fan housing is manufactured from galvanized sheet steel.
  • Ideal for use in heat exchangers, dehumidifiers and air cleaners.
  • Can be ordered as:
    KU = With junction box, without connection pipes.
  • All diagrams shown with duct connected fan.