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Blauberg Tower-A 300 4E

Roof axial fans. Maximum air flow up to 1475 m³/h.
EAN codeEAN4058448017391
  • Description
  • Characteristics
  • Downloads
  • Dimensions
  • Designation key

Extract ventilation systems installed in various premises.Roof mounting.For any types of roofs or vertical ventilation shafts.

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


Steel casing and impeller with a special polymer atmospheric resistant coating.Horizontal air exhaust.The fan is equipped with a terminal block for connection to power mains.The fan is rated for continuous operation.A connecting plate with an intake opening is designed to facilitate mounting to the roof surface.

Roof mounting directly above a ventilation shaft or air duct.The fan is connected to the air duct with the intake flange that is fixed to the fan base.The fan base has holes for fixing bolts that attach the fan to a stable level surface or a roof frame.Roof frame and intake flange available on separate order.Power is supplied through an external terminal box.


Two- or four-pole asynchronous motor with external rotor and axial impeller.Single-phase (E) motor modification.Equipped with ball bearings for longer service life.Overheating protection by built-in thermal switches with automatic restart.

Parameter Tower-A 300 4Е (50 Hz) Tower-A 300 4Е (60 Hz) Measurement unit
Voltage 230 230 V
Phase 1 1 ˜
Frequency 50 60 Hz
Current 0.35 0.4 A
Power 75 92 W
RPM 1350 1405 min-1
Maximum air flow 372 410 l/s
Maximum air flow 1340 1475 m³/h
Sound pressure level at a distance of 3 m 58 59 dBА
Max. operating temperature -30…+60 -30…+50 °С
EC motor no no -
Ingress protection rating IP24 IP24 -
Motor IP rating IP44 IP44 -
Casing material polymer coated steel polymer coated steel -
Outdoor mounting yes yes -
Sound-insulated casing no no -
Air duct for round air ducts for round air ducts -
Design axial axial -
Type Exhaust Exhaust -
SEC class B B -
Weight 10.5 10.5 kg
Mounting for roof for roof -
ErP 2018 2018 -
Documents archieve
Documents archieve
Select a document type
  • Catalogues
  • Technical documentation
  • Certificates
Tower-A - data sheet (pdf 667.24Kb)
Tower-A(L) - user's manual (pdf 475.21Kb)
Tower-A - image (png 242.31Kb)

Type Dimensions [mm]
∅D ∅D1 H L L1
Tower-A 300 4Е 314 555 340 585 450
Designation key
Designation key
Series Spigot diameter [mm] Motor  Casing material 
Number of poles Phase
Tower-A 200; 250; 300; 350 2; 4 E: single-phase _: polymer coated steel