Blauberg Tower-AL 250
- Additional characteristics
- 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 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.
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.
|Parameter||Tower-AL 250 (50 Hz)||Tower-AL 250 (60 Hz)||Measurement unit|
|Maximum air flow||297||292||l/s|
|Maximum air flow||1070||1050||m³/h|
|Sound pressure level at a distance of 3 m||48||48||dBА|
|Max. operating temperature||40||40||°С|
|Ingress protection rating||IP24||IP24||-|
|Motor IP rating||IP44||IP44||-|
|Casing material||polymer coated steel||polymer coated steel||-|
|Air duct||for round air ducts||for round air ducts||-|
|Mounting||for roof||for roof||-|
|Series||Spigot diameter [mm]|
|Tower-AL||200; 250; 315|