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You are here:- home > cooling index > fan index > wall mounted extractor fan

Wall mounted extractor fan - DISCONTINUEDwall mounted extractor fan

Activair wall mounted extractor fans are designed to extract hot air, fumes and smoke from commercial and industrial premises such as factories, warehouses and workshops. They are perfect for demanding applications, which require quiet, high volume ventilation, and are available in 3 sizes with a maximum extraction rate of 5857 m3/hr.

Each extractor fan is supplied complete, ready to install with:click to expand
Internal aluminium louvre grille coated with a white epoxy powder finish.
Telescopic galvanised steel wall liner Adjustable from 230mm to 390mm to suit most walls, with a cut-out for concealed cable entry.
External grey polypropylene louvre shutter, to prevent outside air entering the building. The louvre is opened by the airflow when the fan starts.
IP55 terminal box for easy wiring.

Fan and Motor

Activair extractor fans are fitted with high efficiency motors, which are totally maintenance free and sealed for life. The motors have built in thermal overload protection, are THCL 155 insulated to EN60034-5, and weatherproofed to IP54. For quiet operation they are sealed inside the wall housing.

The impellors are individually factory adjusted and balanced to ISO14694 grade G6.3, to deliver maximum airflow, with minimum vibration and noise.

Wall mounted extractor fans - specification


Model   WALL350 WALL400 WALL450
Fan Diameter mm 350 400 450
Fan Speed RPM 1320 1360 1278
Airflow @ 0 Pa M3/hr 2606 3549 5857
Voltage V 230-1ph-50Hz 230-1ph-50Hz 230-1ph-50Hz
Power Watts 143 279 575
Noise @ 3m dBA 42 49 49
Wall Sleeve mm 526 x 526 586 x 586 616 x 616
Wall thickness mm 230 - 390 230 - 390 230 - 390
Weight kg 22 26 34
Protection class   IP 54 IP 54 IP 54
Made in the UK - United Kingdom Activair wall mounted extractor fans are manufactured in the UK, and are CE marked.

Operating temperature

The maximum operating temperature is -20C to 70C for fixed speed operation, and 50C when utilized with speed control.

Operating voltage

Activair wall mounted extractor fans are designed for 220 – 240V 50Hz single phase electricity supplies. They are suitable for use in the UK, and most of Europe and the Middle East. Unfortunately they are not suitable for use in the USA.

Electronic speed controllerselectronic speed control

An optional panel or wall mounted electronic speed control is available. The control has an illuminated on/off switch and separate speed control knob.

One speed control is required per extractor fan.

Activair electronic speed controllers
Fan Model   350 400 450
Speed control type   One

Speed controllers can only be purchased with Activair fans.

Calculating the fan size needed for ventilation

Ventilation rates are expressed in 'air changes per hour'. The size of fan is determined by the volume of the room and its use.


Activair wall mounted extractor fans are manufactured in the UK to the highest standards, and we are confident that they are totally reliable. However, in the unlikely event a fault may occur, they have a full 1 year return to base parts and labour guarantee.

To receive a quotation

Activair wall mounted extractor fans are an economical and efficient way to exhaust hot air and fumes from industrial buildings. They deliver quiet, reliable, high volume ventilation and are available in three sizes to suit most applications. Where necessary the extraction rate can be controlled with an optional electronic speed control.

To request a quotation click on the red quote buttons in the tables above.

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