Not registered yet? Take advantages of registration:
Products saving in a binding to the projects
Online consultation from experts

Privacy policy

Blauberg BLAUBOX E 400-2.4 Pro

Supply ventilation unit. Maximum air flow up to 425 m³/h.
EAN codeEAN4058448054730
  • Description
  • Characteristics
  • Downloads
  • Designation key
  • Accessories
  • Overall dimensions
  • Capacity diagram

Ventilation units for efficient supply ventilation in various premises.Controllable air supply, heating and filtration.Compatible with Ø 100 up to 315 mm round air ducts.


The casing is made of double-skinned aluzinc panels, internally filled with mineral wool layer of 25 mm for heat and sound insulation.The mounting brackets with anti-vibration rubber mounts on the casing bottom ensure easy installation.The spigots for connection to the air ducts are located at the side of the unit and are rubber sealed for airtight connection to the air ducts.The hinged panel of the casing ensures easy access to the internals for cleaning, filter replacement and other maintenance operations.



Asynchronous external rotor motor and centrifugal impeller with backward curved blades are used for air supply.Single- or three-phase motor modification depending on the fan model type.Integrated motor overheating protection with automatic restart.Dynamically balanced impeller.Equipped with ball bearings for longer service life.Reliable and quiet operation.


The built-in G4 supply filter provides air filtration.


The unit is equipped with an electric heater for operation during cold seasons at low outside temperature.Two integrated overheat protection thermostats, one actuated at +60 °C with automatic restart and the other one actuated at +90 °C with manual restart.


The unit is suitable for indoor mounting on the floor, ceiling mounting or wall mounting with fixing brackets in any mounting position except for the vertical one with air flow downwards.The correct mounted unit must provide free access to the hinged panel for servicing and filter replacement.


The unit incorporates an integrated control system with a wall-mounted control panel with LCD display.The standard delivery set includes a 10 m cable for connection of the unit and the control panel.Control panel functions:

  • Activating/deactivating the unit.
  • Setting low, medium and high speeds for the supply fan as well as air flow control.
  • Setting and maintaining supply air temperature.
  • Setting day- or week-scheduled.
Automation functions:
  • Filter clogging control with a differential pressure switch.
  • Overheating protection of the electric heating elements.
  • Disabling heater activation during the fan shutoff.
Parameter BLAUBOX E 400-2.4 Pro Measurement unit
Voltage 230 V
Phase 1 ˜
Frequency 50 Hz
Max. power without electric heater 98 W
Electric heater current 10.4 A
Max. unit current without electric heater 0.43 A
Max. unit power with electric heater 2498 W
Max. unit current with electric heater 10.83 A
Electric heater power 2400 W
RPM 2705 min-1
Number of electrical heating elements 2 -
Maximum air flow 425 m³/h
Maximum air flow 118 l/s
Sound pressure level at 3 m 29 dBА
Transported air temperature -25...+40 °С
Insulation 25 mm mineral wool mm
Filter G4 -
EC motor no -
Connected air duct diameter 150 mm
Weight 50 kg
Casing material aluzinc -
Outdoor mounting no -
Sound-insulated casing yes -
Air duct for round air ducts -
Design centrifugal -
Type Supply -
SEC class A -
Mounting ceiling mounting, wall mounting, floor mounting -
ErP 2016, 2018 -
Documents archieve
Documents archieve
Select a document type
  • Catalogues
  • Technical documentation
  • Certificates
BLAUBOX E Pro - data sheet (pdf 997.41Kb)
BLAUBOX E - user manual (pdf 5.53Mb)
BLAUBOX E Pro - image (png 477.01Kb)
Designation key
Designation key
Series Heater type Rated air flow [m³/h]   Heater power [kW] Control
BLAUBOX E: electric heater 200; 300; 400; 800; 1000; 1200; 1500 1.8; 2.4; 3.4; 3.6; 5.1; 6; 9 Pro: with control panel
    BLAUBOX E 400-2.4 Pro
G4 panel filter FP 397x364x70 G4
Silencer SD 150
Silencer SDF 150
Flexible anti-vibration connector EVA 150
Clamp KZ 150
Backdraft air damper VRV 150
Air damper VKA 150
Air damper electric actuator LF230
Air damper electric actuator TF230
Overall dimensions
Overall dimensions

Model Overall dimensions [mm]
Ø D B B1 H L L1
BLAUBOX E 400-2.4 Pro 149 455 496.5 438 800 647
Capacity diagram
Capacity diagram

AccessoriesSimilar products