Siemens 6SE6440-2UC21-5BA1 MICROMASTER 440 is a 1.5 kW variable frequency drive designed to control small AC motors. It accepts 200-240 V, 1/3 AC (+10/-10% tolerance) at 47–63 Hz and provides constant torque with overload ratings of 150% for 60 seconds and 200% for 3 seconds. The unit is supplied without a built-in filter (no AOP/BOP), has IP20 protection, and measures 202 x 149 x 172 mm (H x W x D) with an operating ambient temperature range of -10 to +50 °C, and it is part of the MICROMASTER 440 family.
