Selection program


Roof fan-HCTB/HCTT

Are you looking for a specific product?
Write to us.

This selection program is provided in cooperation with Venture Industries.

Roof fan-HCTB/HCTT


Supply air or exhaust air:

  • Warehouses, shop and industrial halls,
  • Farm buildings, industrial kitchens, etc.


  • axial roof fan with horizontal outlet,
  • Base made of galvanised sheet steel,
  • cover made of pressed aluminium sheet,
  • The rotor is made entirely of glass-fibre reinforced plastic (models from 315 to 400) or consists of plastic blades mounted on an aluminium hub (models from 450 to 1000).
  • Operating temperature from -40°C to + 70°C (-30°C to + 40°C for 800-1000 models),
  • Available in two versions: Supply “A” and Exhaust “B”.

Explosion-proof versions according to the ATEX directive available on request:

  • reinforced construction motor: II 2G Exe II T3,
  • flameproof motor: II 2G Exd IIB T5 or II 2G Exd IIC T4 (only for models 800, 900, 1000 with 4- or 6-pole motors),
  • for use in zone 22: II 3D Ex tc IIIB T1250C.

Electric motor

  • asynchronous single-phase 230 V, 50 Hz,
  • asynchronous three-phase 400V, 50Hz,
  • insulation class F, IP65 (except models 800 to 1000 – IP55),
  • thermal overload protection (except models 800 to 1000),
  • single-phase motors for voltage speed control (except models HCTB / 4-560, HCTB / 4-630),
  • Three-phase motors can be switched J / D at 380-415 V, 50 Hz,
  • three-phase motors with one speed that can be controlled by an inverter and transformer control (except HCTT / 4-560, HCTT / 4-630 and Ø710 to Ø1000).

Do you have questions about our services or a specific project?
We are happy to assist you and develop solutions that will help you and your company move forward.

Please use our contact form.