Description- Thrust 11N / 12N (50/60Hz).- Backward curved centrifugal impeller in plastic and balanced in accordance with ISO 1940-1, G6.3.- Fan casing in galvanised steel.- External terminal box.- Supplied with inlet steel guard.Motors- Single phase 230 V -50/60 Hz, IP44.- Class F insulation.- Bearings L10 - 20,000 hours.- Single speed 2 pole winding.- Maximum ambient temperature +60ºC.On request- Version IFEB with EC motor.- Maximum ambient temperature +50ºC.