Ventilators with air flow up to 280000 m3/h for circular ducts with diameters 400 - 1600 mm.
The casing is welded from steel plate and is electroplated. The fans are equipped with a three-phase 230/400 V or 400 V/50 Hz motor, have IP55 protection and are suitable for operation with air temperatures up to 40 °C.
Fire resistance F400(120), F300(120), F200(120). Optional other versions (short housing, long housing, external terminal block, service door, flow direction and more).