Cylindrical cased axial flow fans
COMPACT TCBB / TCBT Series - Aluminium Impellers

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  • Compact Tubular TCBB/TCBT hélice aluminiobdp532


  • Versions



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 -40ºC to +40ºC.
Models 450, 500, 560, 630 and 6/710: IP65, Class F, thermal protection, working temperature from -40ºC to +70ºC.
Models 4/710 and 800: IP55, Class F, working temperature from -40ºC to +40ºC.

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 Ø450 to Ø800, three phase motors 2 speed, 4/8 poles.


ATEX versions TCBT
On request, explosion proof versions in accordance with ATEX Directive, for 3 phase models.
For ambient working temperatures:
From -20ºC to +55ºC:
-models TCBT/4-315 to 630mm
-models TCBT/6-355 to 710mm
From -20ºC to +40ºC:
-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 T125ºC
Conductive dust:
II 3D Ex tc IIIC T125ºC (with IP65 motor)

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


  • Compact Tubular TCBB/TCBT hélice aluminiobdp506

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

  • Compact Tubular TCBB/TCBT hélice aluminiobdp487

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

  • Compact Tubular TCBB/TCBT hélice aluminiobdp481

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

  • Compact Tubular TCBB/TCBT hélice aluminiobdp531

    Configuration for models /4-710 and 800.

  • Compact Tubular TCBB/TCBT hélice aluminiobdp501

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

Available models


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