Siemens 6SE6440-2UD21-1AA1 MICROMASTER 440 without filter 380-480 V 3 AC +10/-10% 47-63 Hz Constant torque 1.1 kW Overload 150% 60s, 200% 3S Square law torque 1.1 kW 173x 73x 149 (H x W x D) Protection class IP20 Ambient temperature -10 + 50 ° C without AOP / BOP