The Siemens 6SE6440-2UD21-5AA1 is a MICROMASTER 440 frequency inverter designed for precise control of AC motors in various industrial applications. With a power rating of 1.5 kW, this inverter operates within an input voltage range of 380 to 480 V AC and is suitable for three-phase power supplies. It offers advanced vector control capabilities, making it ideal for applications requiring dynamic motor performance.

Key Features:

• Power Rating: 1.5 kW (2 HP)

• Input Voltage: Three-phase, 380-480 V AC ±10%, 47-63 Hz

• Output Current: Rated at 4.1 A

• Control Method: Vector control with Flux Current Control (FCC) for improved dynamic response and optimized motor control

• Frequency Range: Output frequency adjustable from 0 to 650 Hz

• Overload Capacity: Capable of handling 150% of rated output current for 60 seconds and 200% for 3 seconds

• Interfaces: Equipped with programmable digital and analog inputs/outputs, and supports optional communication modules such as PROFIBUS, DeviceNet, and CANopen

• Protection: Integrated safeguards against overtemperature, overvoltage, undervoltage, short-circuit, and overload conditions

• Cooling: Built-in cooling system to maintain optimal operating temperatures

Applications:

• Conveyor systems

• Pump and fan control

• Material handling equipment

• General industrial machinery requiring variable speed motor control

Technical Specifications:

• Input Voltage: Three-phase, 380-480 V AC ±10%, 47-63 Hz

• Output Voltage: Three-phase, proportional to input voltage

• Rated Output Current: 4.1 A

• Overload Capacity: 150% of rated output current for 60 seconds; 200% for 3 seconds

• Dimensions: 173 mm (H) x 73 mm (W) x 149 mm (D)

• Weight: Approximately 1.1 kg

• Protection Class: IP20

• Ambient Temperature Range: -10°C to +50°C

Siemens - 6SE6440-2UD21-5AA1 - MICROMASTER 440 Frequency Inverter, 1.5 kW