Variable Frequency Drive | Siemens | 6SE6440-2UD24-0BA1 6SE6 440-2UD24-0BA1 MICROMASTER440 without filter

Product Description: Siemens 6SE6440-2UD24-0BA1

The Siemens 6SE6440-2UD24-0BA1 is a powerful frequency inverter from the MICROMASTER 440 series, engineered for dynamic motor control applications requiring precision, reliability, and speed. Rated at 4.0 kW and supporting a 3-phase 380–480 V input, this inverter is equipped with vector control technology and an integrated brake chopper, making it suitable for both general-purpose and complex industrial automation tasks.

Key Features

• Rated motor output: 4.0 kW (5.5 HP)
• 3-phase AC input voltage: 380–480 V ±10%
• Integrated braking chopper for dynamic braking
• Vector control with and without encoder support
• V/f and sensorless vector control modes
• Integrated PID controller and extensive I/O capabilities
• Modular expansion via optional communication and encoder modules
• Extensive diagnostic and protection functions

Technical Specifications

• Part Number: 6SE6440-2UD24-0BA1
• Input Voltage: 3AC 380–480 V ±10%
• Output Power: 4.0 kW
• Output Current: 9.5 A
• Frequency Range: 0–650 Hz
• Control Modes: V/f, sensorless vector, vector control with encoder
• Brake Chopper: Integrated
• Digital Inputs: 6
• Analog Inputs: 2
• Relay Outputs: 1
• Analog Outputs: 1
• Communication Options: PROFIBUS, CANopen, DeviceNet (via modules)
• Protection Class: IP20
• Dimensions (W × H × D): Approx. 149 mm × 209 mm × 172 mm
• Weight: Approx. 4.2 kg
• Operating Temperature: –10 °C to +50 °C (derating above 40 °C)
• Certifications: CE, UL, cULus

Application Areas

• Conveyors, fans, and pumps
• Machine tools and packaging equipment
• Elevators and hoists with braking demands
• Process industries requiring precise speed and torque control
• OEM systems with modular, scalable drive requirements

Advantages

• High-performance motor control in demanding industrial environments
• Integrated braking capability enhances operational safety
• Flexible I/O configuration for custom control logic
• Modular design allows easy expansion and communication integration
• Reliable, proven solution for a wide range of drive applications