Blauberg Tower-HC 250 4E A

Extract ventilation systems installed in various premises.Roof mounting.For any types of roofs.

Steel casing 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.Impeller with a protecting insect screen.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.

Step speed control with transformer speed controller (available upon order).

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 the stable level surface or a roof frame.Roof frame and intake flange available on separate order.Power is supplied through an external terminal box.

Two- or four-pole asynchronous motor with external rotor and centrifugal impeller with backward curved blades.Dynamically balanced impeller.Equipped with ball bearings for longer service life.Overheating protection by built-in thermal switches 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.