Variable Frequency Drive | Siemens | 6SE6440-2UD31-1CA1 6SE6 440-2UD31-1CA1 MICROMASTER440 without filter

Product Description: Siemens 6SE6440-2UD31-1CA1

The Siemens 6SE6440-2UD31-1CA1 is a powerful frequency inverter from the MICROMASTER 440 series, engineered for demanding motor control tasks requiring precision, fast response, and advanced braking capability. Rated at 11 kW with a 3-phase 380–480 V input, this inverter comes with an integrated brake chopper and Class B EMC filter , making it ideal for applications requiring rapid acceleration and deceleration, as well as enhanced electromagnetic compatibility.

Key Features

• Rated motor output: 11 kW (15 HP)
• 3-phase 380–480 V input voltage
• Integrated Class B EMC filter (for industrial environments)
• Integrated brake chopper for dynamic braking applications
• Vector control with or without encoder support
• Multiple operating modes: V/f, sensorless vector, and flux vector control
• Built-in PID controller and programmable logic functionality
• Flexible communication via optional PROFIBUS, CANopen, DeviceNet modules

Technical Specifications

• Part Number: 6SE6440-2UD31-1CA1
• Input Voltage: 3AC 380–480 V ±10%
• Output Power: 11 kW
• Output Current: 25 A
• Frequency Output Range: 0–650 Hz
• Control Modes: V/f, sensorless vector, vector control with encoder
• Brake Chopper: Integrated
• EMC Filter: Class B (integrated)
• Digital Inputs: 6
• Analog Inputs: 2
• Relay Outputs: 1
• Analog Outputs: 1
• Protection Class: IP20
• Dimensions (W × H × D): Approx. 275 mm × 305 mm × 195 mm
• Weight: Approx. 12 kg
• Operating Temperature: –10 °C to +50 °C (derating may apply above 40 °C)
• Certifications: CE, UL, cULus

Application Areas

• Material handling systems such as conveyors, hoists, and lifts
• Industrial machinery requiring fast acceleration/deceleration
• Pumps, fans, and compressors
• Process industries such as chemical, food, and packaging
• Applications requiring high dynamic performance and EMC compliance

Advantages

• High-performance drive with precise torque and speed control
• Integrated braking and filtering reduce external component needs
• Supports advanced control and automation via built-in logic functions
• Modular communication options for system integration
• Siemens-proven reliability for industrial environments