Range of centrifugal roof mounted fans in vertical discharge format, designed for smoke extraction in fire conditions suitable for F400-120 application, base parts manufactured in galvanised sheet steel, cowls manufactured from spun aluminium, centrifugal backward curved impellers manufactured in double coated painted sheet steel (cataphoresis + polyester), discharge proof guard, and ON-OFF electrical isolator switch incorporated.
Acoustic version (INS) with silencer integrated at the fan discharge, to reduce outlet noise level.
All model suitable for air stream temperature up to 120ºC continuous.

Motors
4 pole motors, three phase 400V-50Hz, IP55, Class F with PTC.
Speed controllable by frequency drive.
The electrical installation must be equipped with a security system which allows the maximum speed of the fans in cas of fire and disconects PTC.

On request
4/8 and 4/6 pole motors.