Cast-iron Material Connection voltage 3AC 230/400/500/690V Degree of protection Standard IP55, optional IP56, IP65 Self-ventilated Cooling Efficiency Standard* High efficiency ** Increased output High efficiency ** Standard Standard Standard non-standard 1LA6/1LG4 1LG6 1LG4 1LA8 3000 rpm 3 ... 200 kW 0,09 ... 37 kW 30 ... 110 kW 250 ... 1000 kW 1500 rpm 2,2 ... 200 kW 0,06 ... 30 kW 30 ... 110 kW 250 ... 1000 kW 1000 rpm 1,5 ... 200 kW 0,75 ... 22 kW 18,5 ... 75 kW 200 ... 800 kW 750 rpm 0,75 ... 132 kW 15 ... 55 kW 160 ... 630 kW 1500/3000 rpm 4,8 ... 170 kW 1000/1500 rpm 5,5 ... 170 kW 750/1500 rpm 4,5 ... 175 kW Catalog * IE1 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 DA 81.1