Privacy Policy (GDPR)
Not registered yet? Take advantages of registration:
Products saving in a binding to the projects
Product consultation from our experts - Online
By using this form, you confirm that you have read the site terms of use Terms of use and completely accept the terms of use

VENTS VCU 4E 250x140

Scroll-type single-inlet centrifugal fan powered by external rotor motor. Air flow up to 2000 m³/h.

  • Description
  • Characteristics
  • Downloads
  • Dimensions
  • Additional diagrams
  • Designation key
  • Accessories
  • Designed for supply and exhaust ventilation systems for commercial, office and other public or industrial premises.
  • The fan can be used as a component for ventilation and air conditioning systems and is suitable for outside mounting.
  • The fan casing is made of steel with polymeric coating.

  • The impeller with forward curved blades made of galvanized steel is powered by 2- or 4-pole single phase external rotor asynchronous motor.

  • The motors are equipped with incorporated thermal overheating protection with automatic restart as well as ball bearings for long service life.

  • For precise features, safe operation and low noise, each turbine is dynamically balanced while assembling.

  • Motor protection rating IP 44.

  • Both smooth and step speed control is performed with the symistor or autotransformer controller. 

  • Several fans can be connected to one controller in case the total power and operating current do not exceed the controller rated values.
  • The fan is suitable for installation in ventilating chambers, air conditioning units or can be used separately.

  • In case of independent operation it can be connected to air ducts by means of either both exhaust and inlet branch pipes or exhaust branch pipe only.

  • The exhaust and intake branch pipes have rectangular or circular sections accordingly.

  • Power is supplied by means of the external terminals.

VENTS VCU fan car workshop ventilation example
Parameter VCU 4E 250x140
Measurement unit
Phase 1 ˜
Voltage 230 V
Frequency 50 Hz
Sound pressure level at 3 m distance 60 dBА
Power consumption 570 W
Current 2.48 A
Maximum air capacity 2000 m³/h
RPM 1310 min-1
Protection rating IP X4 -
Weight 16.3 kg
Transported air temperature -40 … +70 °С
Design centrifugal -
Number of poles 4 -
Casing material polymer coated steel -
Impeller diameter 250 mm
Impeller width 140 mm
Outdoor mounting yes -
Duct for round air ducts, for rectangular air ducts -
Mounting outdoor mounting, wall mounting -
Files archieve
Select document type
  • Advertising and printing products
  • Certificates
  • Technical documentation
"VENTS VCU, VCUN" user's manual 10-2021 (V16EN-10) (pdf 1.45Mb)
"VENTS VCU" product description 03-2021 (pdf 1.65Mb)
Download high quality image "VENTS VCU (ErP 2018)" (psd 4.21Mb)
Declaration of сonformity "VCU" (pdf 229.22Kb)
Download image "VENTS VCU (ErP 2018)" for your website (png 365.28Kb)
VENTS  VCU 4E 250x140
Parameter Value Measurement unit
∅D 250 mm
B 410 mm
H 485 mm
H1 230 mm
H2 191 mm
L 205 mm
L1 230 mm
L2 197 mm
Р 238 mm
M 270 mm
Ød 11 mm
Additional diagrams
Additional diagrams
Sound-power level Octave-frequency band [Hz]
Hz Gen. 63 125 250 500 1000 2000 4000 8000
LwA to inlet dBA 44 44 42 36 31 22 29 21 19
LwA to outlet dBA 46 37 42 38 29 28 29 23 21
LwA to environment dBA 40 34 37 31 27 21 24 17 14
Designation key
Designation key
Series Motor modification Impeller diameter, mm Impeller width, mm
VENTS VCU Number of poles Phase 140; 160; 180; 200; 225; 250 60; 62; 80; 90; 92; 102; 140
Е: single phase
Type Rubber anti-vibration mounts Flange Grille
VCU 2Е 140х60 VVCr 8 FVC-VCU 140 RVC-VCU 140
VCU 2Е 160х62 VVCr 8 FVC-VCU 160 RVC-VCU 160
VCU 2Е 160х90 VVCr 8 FVC-VCU 160 RVC-VCU 160
VCU 4Е 180х92  VVCr 8 FVC-VCU 180 RVC-VCU 180
VCU 4E 200х80 VVCr 8 FVC-VCU 200 RVC-VCU 200
VCU 4Е 200х102 VVCr 8 FVC-VCU 200 RVC-VCU 200
VCU 4E 225х102 VVCr 16 FVC-VCU 200/ FVC-VCU 225 RVC-VCU 200/ RVC-VCU 225
VCU 4Е 250х102 VVCr 16 FVC-VCU 250 RVC-VCU 250
VCU 4Е 250х140 VVCr 16 FVC-VCU 250 RVC-VCU 250
  • FVC-VCU Flange designed to connect round ducts to VCU fans.
  • RVC-VCU Grille designed for fan protection against foreign objects.
  • Anti-vibration mounts VVCr designed for noise reduction and vibration dampering produced by the fans. Provide dynamic loading decrease and increase reliability and durability of ventilation equipment.
Share your opinion

How often do you use equipment selection program?