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VENTS 125 Modern Auto turbo

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Legend
  • Continuous or periodic exhaust ventilation of bathroom, showers, kitchens and other utility spaces.
  • Ventilation shaft mounting or duct connection.
  • Low to medium air flow motion for short distances at low air resistance.
  • Compatible with 100, 125 and 150 mm air ducts.
  • Modern design and aesthetic look.
  • The casing and the impeller are made of high-quality durable ABS plastic, UV resistant.
  • Front panel is made of white or black organic glass.
  • The fan and motor are specially designed for silent operation.
  • The impeller design enhances the fan efficiency and prolongs the motor service life.
  • Protection rating IP 24.
  • Reliable motor with low energy demand
  • Designed for continuous operation and requires no maintenance.
  • Equipped with overheating protection.


  • The fan is controlled with a room light switch (not included into delivery set).
  • The fan is controlled with a built-in pull cord switch "V". This option is not applicable for ceiling mounting.
  • Speed control is possible through a thyristor speed controller (see Electrical Accessories). Several fans may connected to the same controller. Speed controllers can not be connected to the fans with TTHTPVTVTH modification.


  • Speed control with a an electronic control unit BU-1-60, refer Electric accessories. The control unit is available upon separate order.
  • Fan control with a turn-off delay timer "T" that enables fan running from 2 to 30 minutes after turning the fan off.
  • Fan control with a humidity sensor and turn-off delay timer "TH" that enables fan switching on and running until the indoor humidity drops below the set point adjustable from 60% to 90% and subsequent fan running within the set time before turning off.
  • The fan is mounted directly into the ventilation shaft.
  • Flexible duct connection is recommended in case of the remote ventilation shaft location. The air duct is connected to the fan exhaust flange through a clamp.
  • Fixing with screws.
  • Suitable for ceiling mounting.
  • The step-down transformer (TRF 220/12-25) enables connection of a low-voltage fan 12 V / 50 Hz to 220 V / 50 Hz power mains. Available upon separate order.

Parameter VENTS 125 Modern Auto turbo
Measurement unit
Voltage 220-240 V
Frequency 50/60 Hz
Power consumption 29 W
Air capacity 232 m³/h
Current 0.13 A
RPM 2400 min-1
Sound pressure level at 3 m 37 dBА
Weight 1.06 kg
Spigot size 125 mm
Engine Type 220-240V / 50-60Hz -
Duct diameter 125 mm
Design axial -
IP Code IP 24 -
Type exhaust -
Mounting wall mounting, ceiling mounting -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
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Download high quality image "VENTS Modern Auto" (psd 2.14Mb)
Download image "VENTS Modern Auto" for your website (png 405.84Kb)
"VENTS Modern Auto" product description 09-2015 (pdf 4.12Mb)
VENTS 125 Modern Auto turbo
Parameter Value Measurement unit
Ø D 125 mm
B 220 mm
H 220 mm
L 124 mm
L1 65 mm
Picture symbol   Designation   Modification description
  Modern Auto L   The motor is equipped with ball bearings for long service life (appr. 40 thousand hours) and fan mounting at any angle. The bearings are maintenance-free and contain enough grease for the entire operating period.
  Modern Auto turbo   High-powered motor.
  Modern Auto press   5-blade low-noise impeller with improved aerodynamics for higher fan capacity.
  Modern Auto 12   Equipped with a reliable low-voltage motor, 12 V.
  Modern Auto T   Equipped with a turn-off delay timer adjustable from 2 to 30 minutes.
  Modern Auto TH   Equipped with a turn-off delay timer adjustable from 2 to 30 minutes and a humidity sensor adjustable from 60% to 90%.
  Modern Auto V   Equipped with a pull cord switch.
  Modern Auto VT   Equipped with a pull cord switch and a turn-off delay timer adjustable from 2 to 30 minutes.
  Modern Auto VTH   Equipped with a pull cord switch, turn-off delay timer adjustable from 2 to 30 minutes and a humidity sensor adjustable from 60% to 90%.
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Basic parameter for domestic fan selection