Siemens Frequency Converters 6SE6440-2UC21-5BA1

The Siemens frequency converter 6SE6440-2UC21-5BA1 is part of the MICROMASTER 440 series, which is an AC inverter (variable frequency drive) designed for speed control of AC motors.

Specification:

• Product Type: Frequency Converter (Inverter).
• Product Series: MICROMASTER 440.
• Rated Power: 1.5 kW (or 2.0 hp).
• Input:
  • Voltage: 200 – 240 V AC ±10%.
  • Phase: 1 or 3 Phase AC.
  • Frequency: 47 – 63 Hz.
• Control Methods: Supports linear V/f characteristic, multipoint V/f characteristic, and sensorless vector control (Flux Current Control – FCC).
• Protection: IP20 degree of protection.
• Operating Conditions: Ambient temperature range is -10 to +50 °C.
• EMC Filter: The unit is supplied without a built-in EMC filter.
• Operator Panel: An operator panel (AOP/BOP) is not included and must be purchased separately.

This converter is widely used in applications such as conveyor belts, pumps, fans, and hoisting gear, due to its flexibility and high dynamic response.