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Blauberg Tower-H 280 4E


Roof centrifugal fans. Maximum air flow up to 1520 m³/h.
EAN codeEAN
  • Description
  • Characteristics
  • Downloads
  • Dimensions
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.Vertical air exhaust.The fan is equipped with a terminal block for connection to power mains.The fan is rated for continuous operation.The upper cover is equipped with two eye bolts for easy fan lifting on the roof with hoisting mechanism.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-, four- or six-pole asynchronous motor with external rotor and centrifugal impeller with backward curved blades.Single-phase (E) or three-phase (D) motor modifications.Dynamically balanced impeller.Equipped with ball bearings for longer service life.Overheating protection with built-in thermal switches with automatic restart or with leaded outside terminals for connection to external protecting controls.The thermal switch terminal leads are designed for connection to respective circuit of the overload relay or respective terminals of the autotransformer or thyristor speed controller.

 
Characteristics
Characteristics
Parameter Tower-H 280 4E (50 Hz) Tower-H 280 4E (60 Hz) Measurement unit
Voltage 230 230 V
Phase 1 1 ˜
Frequency 50 60 Hz
Current 0.61 0.99 A
Power 125 155 W
RPM 1446 1710 min-1
Maximum air flow 414 422 l/s
Maximum air flow 1490 1520 m³/h
Sound pressure level at a distance of 3 m 46 46 dBА
Max. operating temperature -25…+50 -25…+50 °С
EC motor no no -
Ingress protection rating IPX4 IPX4 -
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 centrifugal centrifugal -
Type Exhaust Exhaust -
SEC class -
Weight 13.5 13.5 kg
Mounting for roof for roof -
ErP 2018 -
Documents archieve
Documents archieve
Name
Tower-H - data sheet (pdf 839.6Kb)
Tower-H - user's manual (pdf 4.04Mb)
Tower-H - image (png 485.5Kb)
Dimensions
Dimensions

Type Dimensions [mm]
∅D H H1 L L1
Tower-H 280 4E 291 265 272 451 450
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