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Blauberg Axis-QRA 315

Axial wall fan. Maximum air flow up to 1700 m³/h.
EAN codeEAN4058448013683
  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Designation key
  • Dimensions
  • Additional characteristics

Supply and extract ventilation systems installed in various premises. Mounting in ventilation systems with low static pressure requiring high air capacity. Direct air extract.


Single-phase asynchronous motor with an internal rotor and an axial impeller. Motor with slide bearings. Integrated overheating protection with automatic restart.


Smooth speed control with an external thyristor controller or step speed control with an external auto transformer (both available upon separate order).


Compact steel casing covered with special polymer coating. Aluminium impeller. The casing is equipped with a round mounting plate and flange for easy surface wall mounting. The fan is equipped with a power cord and external terminal box for connection to power mains.


Wall surface mounting with a round connecting frame. Horizontal installation with respect to air flow direction in the system. Power supply through an external terminal box with electric lead-in.

Parameter Axis-QRA 315
60 Hz
Axis-QRA 315
50 Hz
Measurement unit
Voltage 220-240 220-240 V
Phase 1 1 ˜
Frequency 60 50 Hz
Current 0.7 0.75 A
Power 104 110 W
RPM 1365 1300 min-1
Maximum air flow 1650 1700 m³/h
Sound pressure level at 3 m 43 42 dBА
Max. operating temperature -30 … +40 -30 … +40 °С
Motor IP rating IP44 IP44 -
Ingress protection rating IPX4 IPX4 -
EC motor no no -
Weight 5.24 5.24 kg
Casing material polymer-coated steel polymer-coated steel -
Outdoor mounting no no -
Sound-insulated casing no no -
Air duct for round air ducts for round air ducts -
Connection diameter 315 315 mm
Design axial axial -
Type Exhaust, Supply Exhaust, Supply -
Mounting wall mounting wall mounting -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air capacity:
  • Pressure:
Operating point
  • Air capacity: --
  • Pressure: ---
Documents archieve
Documents archieve
Select a document type
  • Catalogues
  • Technical documentation
  • Certificates
Axis-QRA - data sheet (pdf 694.65Kb)
Axis-QRA - user's manual (pdf 4.53Mb)
Axis-QRA - image (png 800.37Kb)
Designation key
Designation key
Series Dimension type
Axis-QRA   150: branch pipe ø 162 mm
 200: branch pipe ø 208 mm
 250: branch pipe ø 262 mm
        315: branch pipe ø 312/315 mm

Model Overall dimensions [mm]
Ø D Ø D1 Ø D2 Ø d L
Axis-QRA 315 312 390 420 9 170
Additional characteristics
Additional characteristics
Sound power level, A-weighted Octave frequency bands [Hz]
Total 63 125 250 500 1000 2000 4000 8000
LwA to environment [dBA] 62 65 67 58 45 51 48 41 30