Variable Frequency Drive | Siemens | 6SE6440-2UD23-0BA1 6SE6 440-2UD23-0BA1 MICROMASTER440 without filter

Product Description: Siemens 6SE6440-2UD23-0BA1

The Siemens 6SE6440-2UD23-0BA1 is a robust and versatile frequency inverter from the MICROMASTER 440 series, designed to deliver precise motor speed and torque control for demanding industrial applications. With a power rating of 3.0 kW and support for 3-phase 380–480 V input, it features sensorless vector control, integrated braking chopper, and flexible configuration options. The drive is ideal for applications that require dynamic response, such as lifting, positioning, and high-inertia loads.

Key Features

• Rated motor output: 3.0 kW (4 HP)
• 3-phase input voltage: 380–480 V ±10%
• Integrated brake chopper for efficient dynamic braking
• Sensorless vector and V/f control modes
• Integrated PID controller for process regulation
• Modular expansion options for communication and I/O
• Extensive diagnostics and fault protection features
• Suitable for use with external braking resistors

Technical Specifications

• Part Number: 6SE6440-2UD23-0BA1
• Input Voltage: 3AC 380–480 V ±10%
• Output Power: 3.0 kW
• Output Current: 7.7 A
• Frequency Output Range: 0–650 Hz
• Control Types: V/f, sensorless vector, closed-loop vector (with encoder)
• Brake Chopper: Integrated
• EMC Filter: Optional external
• Digital Inputs: 6 (configurable)
• Analog Inputs: 2
• Relay Outputs: 1
• Analog Outputs: 1
• Protection Class: IP20
• Dimensions (W × H × D): Approx. 149 mm × 209 mm × 172 mm
• Weight: Approx. 4.1 kg
• Operating Temperature: –10 °C to +50 °C (derating above 40 °C)
• Certifications: CE, UL, cULus

Application Areas

• Conveyor and transport systems
• Packaging and textile machines
• Lifting and hoisting equipment with dynamic loads
• HVAC systems requiring variable speed control
• General industrial automation requiring flexible motor control

Advantages

• Integrated braking capability improves control of high- inertia loads
• High-performance vector control for dynamic speed and torque adjustment
• Modular design allows communication and I/O flexibility
• Proven Siemens reliability in harsh industrial environments
• Efficient setup and commissioning with integrated diagnostics