Three Phase   Static wind pressure 120 or 140 mm 873 mm high ; 800 mm wide ; 902 mm deep ; 135 Kg wind exit 185 mm wide ; 255 mm high 1.5 & 1.6 Hp ( 1.11 & 1.18 kW ) 1400 rpm 50 Hz Three phase 120 mm 4228-3-120 Three phase 140 mm 4228-3-140