Built-in fan with impeller with backward curved blades.Cpro-ECblueType: ER56C-ZID.GL.CRMK152-0013 UL Listed Product E213826 ZC-1553~ 380-480V 50/60Hz P1 5,00kW 8,0-6,4A1750rpm 40°C IP55 THCL 155 IE5ErP conform 2015N=74,8