Aluminium Material Connection voltage 3AC 230/400/500/690V Degree of protection Standard IP55, optional IP56, IP65 Self-ventilated Cooling Standard* Efficiency High efficiency ** Increased output High efficiency** Standard New generation Standard New generation Standard New generation 1LA7/1LA5 1LE1 1LA9 1LE1 1LA9 1LE1 3000 rpm 0,09 ... 45 kW 3 ... 18,5 kW 0,09 ... 37 kW 3 ... 18,5 kW 0,09 ... 37 kW 4 ... 22 kW 1500 rpm 0,06 ... 45 kW 2,2 ... 15 kW 0,06 ... 30 kW 2,2 ... 15 kW 0,06 ... 30 kW 4 ... 18,5 kW 0,75 ... 22 kW 1000 rpm 0,09 ... 30 kW 1,5 ... 11 kW 750 rpm 0,09 ... 22 kW 0,75 ... 7,5 kW 1500/3000 rpm 0,15 ... 17 kW 1000/1500 rpm 0,1 ... 26 kW 750/1500 rpm 0.12 ... 28 kW 750/1000/1500 rpm 0,15 ... 22 kW Catalog * IE2 acc. IEC 60034-30 for 2, 4 and 6 pole motors 0,75 to 375 kW ** IE2 acc. IEC 60034-30 for 2, 4 and 6 pole motors 0,75 to 375 kW 1,5 ... 11 kW 0,75 ... 7,5 kW DA 81.1 2,2 ... 15 kW