Siemens 6SE6440-2AB21-5BA1 Variable Frequency Drive

Siemens MICROMASTER 440 6SE6440-2AB21-5BA1 is a compact 1.5 kW, 200–240 V single‑phase input variable frequency drive with a built‑in Class A EMI filter, designed to control 3‑phase motors with precise speed and torque profiles in industrial equipment. It accepts 1 AC supply in the 200–240 V range (±10%), 47–63 Hz, and provides adjustable output up to 550 Hz to the motor, with overload ratings of 150% for 60 seconds and 200% for 3 seconds. The unit's enclosure measures 202 × 149 × 172 mm (HxWxD), offers IP20 protection, and operates in ambient temperatures from −10 °C to +50 °C. Ideal for small conveyors, pumps, fans, and machine tools where compact, reliable speed control is required, this MICROMASTER 440 variant is built for steady performance in demanding environments.