Siemens 6SE6440-2AD31-1CA1 Variable Frequency Drive for MICROMASTER 440

The Siemens 6SE6440-2AD31-1CA1 (6SE6440-2AD31-1CA1) is a high-performance variable frequency drive belonging to the Siemens MICROMASTER 440 family. Built in Frame Size C with an IP20 degree of protection, this frequency inverter is engineered for precise speed and torque control of three-phase alternating current motors across demanding industrial environments. The unit operates on a three-phase supply voltage ranging from 380 V to 480 V AC at 50/60 Hz and features an integrated Class A line filter for electromagnetic compatibility. It delivers a power output rating of 11 kW for constant torque applications and up to 15 kW for variable torque loads. Equipped with vector control capabilities, extensive digital and analog input/output terminals, and flexible fieldbus communication options, the drive ensures stable motor dynamics and efficient energy management. The unit weighs approximately 10 kg and supports standard panel mounting. Common industrial applications include material handling systems, conveyor belts, centrifugal pumps, ventilation fans, extruders, and general automated machinery requiring reliable motor regulation and continuous operation.