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    ROOF MOUNTED FANS
    CRVB / CRVT Series - Vertical discharge

    CRVB/8-630 (230V50HZ) VE

    Range of centrifugal roof mounted fans in vertical discharge format:
    - Very low profile design.
    - Base manufactured from galvanised sheet steel.
    - Centrifugal backward curved impeller.
    - External rotor motor.
    - Cowl manufactured from spun aluminium.
    Available, depending upon the model, with single or three phase motors in 2, 4, 6, or 8 poles.

    Motors
    All motors are IP54, Class F insulation with safety thermal overload protection.
    Electrical supply:
    -Single phase 230V-50Hz (CRHB).
    -Three phase 400V-50Hz (CRHT).
    Speed controllable by Voltage.

    Additional information
    ON-OFF electrical isolation switch fitted.

    On request
    Models (400 to 1000) with 2 speed motors (4/8).
    CRVB/8-630 (230V50HZ) VE

    Backward curved centrifugal impellers
    To prevent accumulation of dirt.

    Bird proof guard
    Steel finger proof guard.

    Isolation switch
    ON-OFF electrical isolation switch fitted on the fan as standard.

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    Instructions