The 6SE6440-2UD32-2DA1 is Siemens MICROMASTER 440 frequency inverter without integrated EMC filter. Rated 22 kW constant torque / 30 kW variable torque with 45 A continuous output current, it supports V/f and sensorless vector control for three-phase asynchronous motors. This hot-swappable unit features built-in brake chopper, multi-channel I/O and standard RS485 USS communication. It is widely deployed for speed and torque regulation of conveyors, pumps, fans and processing machinery in discrete and continuous process automation plants.