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Blauberg Tower-AL 250


Roof axial fans. Maximum air flow up to 1070 m³/h.
EAN codeEAN4058448017421
  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional characteristics
  • Designation key
  • Accessories
Description
Description
USE SPEED CONTROL

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).

DESIGN MOUNTING

Steel casing with a special polymer atmospheric resistant coating.Aluminium impeller.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.

MOTOR

Single-phase asynchronous external rotor motor with axial impeller.Equipped with ball bearings for longer service life.Overheating protection by built-in thermal switches with automatic restart.

Characteristics
Characteristics
Parameter Tower-AL 250 (50 Hz) Tower-AL 250 (60 Hz) Measurement unit
Voltage 230 230 V
Phase 1 1 ˜
Frequency 50 60 Hz
Current 0.48 0.51 A
Power 68 76 W
RPM 1300 1450 min-1
Maximum air flow 297 292 l/s
Maximum air flow 1070 1050 m³/h
Sound pressure level at 3 m 48 48 dBА
Max. operating temperature 40 40 °С
Motor IP rating IP44 IP44 -
Ingress protection rating IP24 IP24 -
EC motor no no -
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 -
Weight 7.2 7.2 kg
Mounting for roof for roof -
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
Name
Tower-A(L) - user's manual (pdf 475.21Kb)
Tower-AL - data sheet (pdf 495.78Kb)
Tower-AL - image (png 257.58Kb)
Dimensions
Dimensions

Type Dimensions [mm]
∅D ∅D1 H L L1
Tower-AL 250 262 405 300 425 330
Additional characteristics
Additional characteristics

Designation key
Designation key
Series Spigot diameter [mm]
Tower-AL 200; 250; 315
Accessories
Accessories
Mounting frames Silencers Backdraft air dampers
Air dampers
Speed controllers
          
MRDL / MRIDL SD

VRV

VK / VKA CDT E1.8