6SE6440-2UD21-1AA1

The Siemens 6SE6440-2UD21-1AA1 inverter is classified as part of the MICROMASTER 440 series, known for its versatility and high performance. Operating in a three-phase voltage range of 380 V to 480 V ±10%, this inverter is engineered for energy efficiency, achieving 96–97% ratings. It primarily delivers a rated motor output of 1.1 kW and provides an apparent power output of 2.3 kVA, accommodating variable loads effectively.

Multiple control options, including V/f control (both linear and quadratic) and FCC, benefit users. The unit supports communication through RS-232 and RS-485 interfaces, which ensure compatibility with various systems and simplify monitoring and control.

Regarding handling load conditions, the inverter can endure a maximum overload of 3.0 A under constant and variable torque operations, along with a peak output current rated at 3.0 A in CT mode. For protection, it includes features that safeguard against over and undervoltage conditions and ground faults. This enhances overall operational safety and reliability.

The Siemens 6SE6440-2UD21-1AA1 can operate reliably within a temperature range of -40°C to +70°C for storage and maxes out at an altitude of 1000 m without compromising performance. Furthermore, a fuse rating of 10:00 AM is recommended for optimal functionality. This inverter is designed for durability and efficiency and offers a robust solution for various industrial applications.