Siemens 6SE6440-2UC12-5AA1 Variable Frequency Drive

Siemens MICROMASTER 440 6SE6440-2UC12-5AA1 is a compact variable-frequency drive that provides reliable motor speed control from a 200–240 V AC supply, making it suitable for small industrial applications where space is at a premium. This 0.25 kW (0.33 hp) MM440 model delivers precise torque regulation across a 47–63 Hz band, with overload capability of 150% for 60 seconds and 200% for 3 seconds to handle short surges without tripping. The unit assumes an IP20 enclosure, operates in ambients from -10 to +50 °C, and measures 173 × 73 × 149 mm (H × W × D), ensuring straightforward installation in control panels or equipment cabinets. It is specified as without an input filter and without AOP/BOP options, reflecting a basic, ready-to-run configuration that suits applications where simple drive integration is desired. As part of the Siemens MICROMASTER 440 family, this model represents a robust, economical choice for basic speed control of small motors in compact control panels or equipment enclosures.