The Siemens MICROMASTER 440 variable frequency drive, model 6SE6440-2UD31-1CA1, is a reliable and precise solution for controlling motors in various industrial applications. This drive is designed to deliver consistent performance even under challenging operating conditions.The 6SE6440-2UD31-1CA1 operates on a 3-phase AC supply of 380-480 V (+10%/-10%) at 47-63 Hz. For constant torque (CT) applications, it offers 11 kW of power with impressive overload capabilities: 150% for 60 seconds and 200% for 3 seconds. For square-law torque applications, its power rating extends to 15 kW. This model comes without an integrated filter. With dimensions of 245x185x195 mm (HxWxD) and an IP20 degree of protection, it is suitable for installation within control cabinets. It operates reliably in ambient temperatures from -10 to +50 °C and is supplied without an AOP (Advanced Operator Panel) or BOP (Basic Operator Panel). Please note that this product has been cancelled since October 1, 2019, with a successor available (SIOS ID 109746454). Despite its cancellation, this Siemens MICROMASTER 440 remains a valuable spare part for maintaining legacy systems, ensuring continued optimal performance for your motor control needs.