Siemens 6SE6440-2UD24-0BA1 Variable Frequency Drive

The Siemens 6SE6440-2UD24-0BA1 MICROMASTER 440 is a 4 kW (5 HP) variable frequency drive that provides precise speed and torque control for three-phase motors in industrial motor control systems. Commonly used in conveyors, pumps, fans, and general machinery, it supports vector and V/f control modes for stable operation across varying loads and contributes to energy-efficient automation, with straightforward integration into automated control systems. Key specifications include 380–480 V AC input (three-phase) at 47–63 Hz, 10.2 A output, overload capacities of 150% for 60 seconds and 200% for 3 seconds, IP20 protection, and a panel-mount footprint roughly 202 x 149 x 172 mm. Operating temperature is -10°C to +50°C, and this model is supplied without a filter or operator panel (AOP/BOP); panel-mount design facilitates installation in standard control cabinets.