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    IN-LINE RECTANGULAR DUCT FANS
    IRB/IRT Series

    IRB/4-315A 230V50Hz 355/100 VE

    Range of rectangular duct fans suitable for many general ventilation applications where the fan is required to be installed within a rectangular ducted ventilation system or where the space for installation is limited.
    High performance centrifugal fans.
    All models suitable for mounting in any orientation.
    Casing manufactured from heavy gauge galvanised sheet steel.
    Direct drive backward curved impellers manufactured from aluminium sheet.
    External rotor motor, Class F insulation with thermal protection.
    Remote terminal box.

    Motors
    Motor and impeller fitted on the inspection cover enabling easy cleaning and maintenance.
    - IRB models: Single-phase 230V-50Hz.
    IP44* or IP54. Speed controllable by transformer.
    - IRT models: Three-phase 230/400V-50Hz.
    IP54. Speed controllable by transformer or frequency drive.

    * IP44: 2-180, 2-200, 4-225 and 4-315 A
    IRB/4-315A 230V50Hz 355/100 VE

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    Inspection door
    Inspection door that facilitates maintenance.

    Versatile design
    Can be installed in any position.

    Centrifugal backward curved impeller
    To prevent accumulation of dirtiness. Dynamically balanced.

    IP55 remote terminal box
    To ease installation and maintenance and connection to external controls.

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    Instructions