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Blauberg Tower-A 250 4E

Axial roof fans. Maximum air capacity up to 800 m³/h.
EAN codeEAN4058448017377
  • Description
  • Characteristics
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Exhaust ventilation systems installed in various premises.Roof mounting.For any types of roofs or vertical ventilation shafts.


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.


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


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.


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.

Parameter Tower-A 250 4Е Measurement unit
Voltage 230 V
Frequency 50 Hz
Power 50 W
Current 0.22 A
RPM 1380 min-1
Maximum air capacity 800 m³/h
Sound pressure level at a distance of 3 m 55 dBА
Max. operating temperature -30 +60 °С
EC motor no -
Ingress protection rating IPX4 -
Casing material polymer coated steel -
Outdoor mounting yes -
Sound-insulated casing no -
Air duct for round air ducts -
Design axial -
Type Exhaust -
Weight 7.0 kg
Mounting for roof -
Documents archieve
Documents archieve
Tower-A - data sheet (pdf 175.47Kb)
Tower-A(L) - user's manual (pdf 475.21Kb)
Tower-A - image (png 281.06Kb)

Type Dimensions [mm]
D D1 H L L1
Tower-A 250 4Е 262 405 280 425 330