Siemens 6SE6440-2UD21-5AA1: MICROMASTER 440 High-Performance Inverter
The Siemens 6SE6440-2UD21-5AA1 is a high-performance frequency inverter from the MICROMASTER 440 series, engineered for demanding industrial applications requiring sophisticated control and high dynamic response. This robust drive is designed to manage three-phase induction motors with precision, making it an essential component for conveyor systems, textile machinery, and packaging equipment.
As a member of the MICROMASTER 440 family, the 6SE6440-2UD21-5AA1 stands out for its advanced vector control capabilities, which ensure consistent torque and speed accuracy even under varying load conditions. Its versatile design allows for high-tier automation integration across diverse manufacturing sectors.
Technical Specifications and Electrical Performance
Based on the official Siemens manufacturer data sheets, the 6SE6440-2UD21-5AA1 includes the following technical characteristics:
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Rated Power: 1.5 kW (2.0 hp) for constant torque applications.
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Input Voltage: Three-phase 380 V to 480 V AC (+/- 10%).
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Output Current: 4.0 Amps (4A) for standard industrial loads.
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Frame Size: Size A (FSA), optimized for compact control cabinet mounting.
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Control Method: Advanced Vector Control (with and without encoder feedback) and V/f control.
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Degree of Protection: IP20, designed for clean industrial environments within electrical enclosures.
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Overload Capacity: Features a high overload capability of 150% for 60 seconds.
Strategic Advantages for Complex Drive Applications
The 6SE6440-2UD21-5AA1 offers essential benefits for the reliability of high-tier industrial automation:
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Sophisticated Motion Control: The integrated vector control provides excellent speed regulation and high torque at low speeds, which is critical for lifting and positioning tasks.
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Comprehensive Motor Protection: Includes built-in protection against overvoltage, undervoltage, earth faults, and short-circuits to ensure maximum system uptime.
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Modular Communication: Supports a wide range of communication modules, including PROFIBUS and DeviceNet, for seamless integration into existing factory networks.
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Efficient Energy Management: Optimized switching frequencies and high-efficiency operation contribute to reduced energy consumption in continuous-duty applications.
