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    Cylindrical cased axial flow fans

    TCBB/4-355/H 230V50HZ VE

    Range of cylindrical cased axial flow fans fitted with aluminium impellers and manufactured from high grade rolled galvanised steel and protected against corrosion by cataforesis primer and black polyester paint finish.
    All models are supplied with pre-wired wiring junction box located on the outside of the fan casing for easy wiring access.
    Available, depending upon the model, with single or three phase motors in 2, 4 or 6 poles.

    Single phase motor (TCBB) or three phase motor (TCBT).
    Models 250, 315, 355 and 400: External rotor motor, IP44, Class F, thermal protection, working temperature from -40�C to +40�C.
    Models 450, 500, 560, 630 and 6/710: IP65, Class F, thermal protection, working temperature from -40�C to +70�C.
    Models 4/710 and 800: IP55, Class F, working temperature from -40�C to +40�C.

    All motors are speed controllable by autotransformer except models /4-560H, /4-630, 710 and T/800.
    Three phase motors are speed controllable by inverter.
    Electrical supplies:
    Single phase 230V-50Hz.
    (Capacitor located inside the wiring terminal box).
    Three phase 230/400V-50Hz or 400V-50Hz.
    (See characteristic chart).

    Additional information
    Standard air direction: form (B)
    (impeller over motor).

    On request
    Air direction: form (A) configuration (motor over impeller).
    From �450 to �800, three phase motors 2 speed, 4/8 poles.
    TCBB/4-355/H 230V50HZ VE

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    ATEX versions TCBT
    On request, explosion proof versions in accordance with ATEX Directive, for 3 phase models.
    For ambient working temperatures:
    From -20�C to +55�C:
    -models TCBT/4-315 to 630mm
    -models TCBT/6-355 to 710mm
    From -20�C to +40�C:
    -models TCBT/4-710 to 800mm
    -models TCBT/6-800mm

    Motors IP55 Class F

    - ATEX Flameproof - Gas
    For models TCBT/4-710 and 800mm
    models 2G Exd IIB T4
    models 2G Exd IIB+H2 T4 (with Ex d IIC T4 motor)
    - ATEX Increased safety - Gas
    Not available:
    TCBT/2-250/H 400V-50Hz
    TCBT/4-250/H 400V-50Hz
    TCBT/6-355/H 400V-50Hz
    TCBT/6-400/H 400V-50Hz
    Available for TCBT/6-400/H 230/400V-50Hz and larger sizes.
    models 2G Exe II T3
    - ATEX - Dust
    For models TCBT/4-710 and 800mm
    Suspended flammable particles and non-conductive dust:
    II 3D Ex tc IIIB T125�C
    Conductive dust:
    II 3D Ex tc IIIC T125�C (with IP65 motor)

    To select TCBT ATEX refer to performance curves, or Easyvent.
    Note electrical data may vary for ATEX motors."

    Corrosion resistance
    Rolled steel casings and motor support protected by cataforesis primer and black polyester paint finish.
    Stainless steel screws.

    Terminal box
    Wiring terminal box with cable gland PG-11 (except ATEX models).

    Impeller dynamically balanced
    Impellers are dynamically balanced, according to ISO 1940 standard, giving vibration free operation.

    Configuration for models /4-710 and 800.

    Constructive configuration models 250, 315, 355 and 400.
    excepted 6-355, 6-400 and ATEX).