The 6SE6440-2UD25-5CA1 Siemens motor control represents a sophisticated frequency inverter within the MICROMASTER 440 series, engineered for precise control of three-phase AC motors in demanding industrial environments. This robust drive unit accommodates a wide input voltage range of 380-480V with ±10% tolerance and operates at line frequencies between 47-63 Hz, ensuring compatibility with various international power systems. The technical specifications of the module reveal its dual-rated capacity, delivering 5.5 kW under high overload conditions and 7.5 kW under low overload scenarios, making it exceptionally versatile for different torque requirements across multiple applications.

Designed with advanced control capabilities, the MICROMASTER 440 WITHOUT FILTER 6SE6440-2UD25-5CA1 features a pulse frequency of 4,000 Hz and supports output frequencies up to 650 Hz through V/f control methodology, though production units are typically limited to 550 Hz to comply with regulatory standards. The inverter's overload characteristics demonstrate its robust engineering, providing 150% output current for 60 seconds under high overload conditions and 140% for 3 seconds followed by 110% for 57 seconds in low overload mode. These performance attributes make the module particularly suitable for applications requiring variable torque operations such as centrifugal pumps, fans, and compressors where dynamic load changes are common.

The physical construction of the Servo Drive Siemens 6SE6440-2UD25-5CA1 emphasizes durability and practical installation with dimensions of 245x185x195 mm (HxWxD) and IP20 protection rating, ensuring adequate defense against solid contaminants while maintaining a compact footprint in control panel arrangements. Weighing approximately 1.08 kg, this inverter operates effectively within ambient temperatures ranging from -10°C to +50°C, demonstrating reliability across challenging environmental conditions. The standard configuration of the module ships without the Advanced Operator Panel or Basic Operator Panel, though these accessories remain available for enhanced interface capabilities.

Through its combination of precise motor control, robust power handling, and adaptable operational parameters, the SIEMENS 6SE6440-2UD25-5CA1 variable-speed drive establishes itself as a comprehensive solution for industrial automation requirements. The inverter's design incorporates sophisticated thermal management and protection circuits that ensure longevity and stable performance even during demanding operational cycles. The continued global utilization of the module across various industries underscores its effectiveness in optimizing energy consumption while providing reliable speed regulation for three-phase motor applications, embodying Siemens' commitment to engineering excellence in industrial drive technology.