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Blauberg Tower-A 250 2E


Roof axial fans. Maximum air flow up to 1150 m³/h.
EAN codeEAN4058448017360
  • 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 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.

MOTOR

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.

Characteristics
Characteristics
Parameter Tower-A 250 2Е (50 Hz) Tower-A 250 2Е (60 Hz) Measurement unit
Voltage 230 230 V
Phase 1 1 ˜
Frequency 50 60 Hz
Current 0.4 0.42 A
Power 80 91 W
RPM 2400 2990 min-1
Maximum air flow 292 319 l/s
Maximum air flow 1050 1150 m³/h
Sound pressure level at 3 m 60 61 dBА
Max. operating temperature -30…+60 -30…+50 °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 7.0 7.0 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 - data sheet (pdf 540.16Kb)
Tower-A(L) - user's manual (pdf 1.41Mb)
Tower-A - image (png 242.31Kb)
Dimensions
Dimensions

Type Dimensions [mm]
∅D ∅D1 H L L1
Tower-A 250 2Е 262 405 280 425 330
Additional characteristics
Additional characteristics

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
A:
aluminum
Accessories
Accessories
Mounting frames Silencers Backdraft air dampers
Air dampers
Speed controllers
          
MRDL / MRIDL SD

VRV

VK / VKA CDT E1.8