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Blauberg Ducto 125

Brand new low-noise axial inline fan for exhaust or supply ventilation with superior capacity up to 215 m³/h.
EAN codeEAN4058448028120
  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Modifications
  • Designation key
  • Dimensions

The casing and the impeller are made of high-quality durable plastic. Specially designed mixed-flow impeller profile ensures high air flow and low noise level. Protection rating IPX4. Low energy usage from 4.5 W. The models of Blauberg Ducto Series are equipped with a single-phase motor and are available in single- or two speed modifications. The motors have thermal overheating protection for motor overload prevention. Designed for PVC ducting systems or flexible ducts. From low to medium air flow motion for short distances at low air resistance. Compatible with Ø 100, 125 and 150 mm air ducts.


Ducto Plus – reliable single-phase two speed motor. Ducto Power Plus – two-speed high-powered motor. Ducto T – modification with a regulated timer with the operating time from 2 to 30 minutes. Ducto W1 – modification with a power cord with IEC C14 electric plug.


Ducto-U – modification with a fixing bracket for flat surface mounting.


The fan is mounted into a matching duct size. Fastening with clamps in case of flexible duct connection. The mounting bracket enables installation of the fan on horizontal and vertical flat surfaces (Ducto-U model). Two fans can be installed in series for higher operation pressure.


Manual speed control with a room light switch. It is not included in the delivery package. Smooth speed control with a thyristor speed controller (see Electrical Accessories). Several fans may be connected to the same controller. The models with timer are not compatible with a speed controller. Automatic fan control with the electronic control unit MCD 60/0.3. The control unit is supplied separately. Automatic fan control with the timer T (built-in turn-off delay timer enables the fan operation within 2 to 30 minutes after the fan switching off).


Updated automatic control for T modifications of models Ducto Plus 100, 125, 150 and Ducto Power Plus 150 enables to set one of four available operation modes. Changeover to another operation mode by means of by setting the DIP switch to a respective position. Mode 1 (single-speed mode)
The fan is turned off by default. The fan starts operating with the 1st speed when the switch is closed.
Mode 2 (single-speed mode)
The fan is turned off by default. The fan starts operating with the 2nd speed when the switch is closed.
Mode 3 (two-speed mode)
The fan operates with the 1st speed by default. The fan switches to the 2nd speed when the switch is closed.
Mode 4 (automatic interval mode)
The fan operates at the 1st speed by default. Each set time (adjustable from 1 to 15 hours) the fan switches to the 2nd speed automatically and reverts back to 1st speed after 2 - 30 minutes operation with maximum capacity.

Parameter Ducto 125 Ducto 125 T Measurement unit
Voltage 220-240 220-240 V
Frequency 50 50 Hz
Power 13 13 W
Current 0.085 0.085 A
RPM 2250 2250 min-1
Maximum air flow 60 60 l/s
SFP 0.22 0.22 W/l/s
Maximum air flow 215 215 m³/h
Sound pressure level 33* 33* dBА
Weight 0.75 0.75 kg
Connection diameter 125 125 mm
Design axial axial -
Type Exhaust, Supply Exhaust, Supply -
Style White White -
Mounting Inline Inline -
* Sound pressure level measured in free space at a distance of 3 meters from the fan Sound pressure level measured in free space at a distance of 3 meters from the fan -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air capacity:
  • Pressure:
Operating point
  • Air capacity: --
  • Pressure: ---
Documents archieve
Documents archieve
Ducto - data sheet (pdf 790.09Kb)
Ducto - image (png 349.32Kb)
Ducto - operation manual (pdf 5.6Mb)
Modification name
Ducto 125
Ducto 125 T
Modification name No extra functions Turn-off delay timer
Ducto 125 -
Ducto 125 T -
Designation key
Designation key
Ducto -U Plus 125
Model Fixing bracket Options Spigot diameter

Model Overall dimensions [mm]
Ducto 125 161.5 125
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