Cabinet fans manufactured from galvanised sheet steel. Certified 400°C-1/2h for the extraction of air in fire conditions. Direct drive centrifugal fan with forward curved impeller. Single phase 230 V, 4 poles, 2-speed motor, [CLASEMOTOR] with thermal protector . Isolated version: Acoustic fiberglass of 25 mm thickness (M0). Brand [MARCA] model [MODELO] .