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VENTS VCU 4E 250x102

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 250x102
Measurement unit
Phase 1 ˜
Voltage 230 V
Frequency 50 Hz
Sound pressure level at 3 m distance 63 dBА
Power consumption 810 W
Current 3.65 A
Maximum air capacity 2000 m³/h
RPM 1330 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 102 mm
Outdoor mounting yes -
Duct for round air ducts, for rectangular air ducts -
Mounting outdoor mounting, wall mounting -
Files archieve
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  • Technical documentation
"VENTS VCU, VCUN" user's manual 10-2021 (V16EN-10) (pdf 1.45Mb)
"VENTS VCU" product description 05-2022 (pdf 1.67Mb)
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 250x102
Parameter Value Measurement unit
Ø D 250 mm
B 410 mm
H 485 mm
H1 230 mm
H2 191 mm
L 165 mm
L1 190 mm
L2 157 mm
Р 198 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 48 45 43 35 34 27 28 25 22
LwA to outlet dBA 47 41 43 35 30 29 32 24 23
LwA to environment dBA 45 36 39 33 31 25 26 21 18
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; 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.
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