6SE6440-2UD27-5CA1

The Siemens MICROMASTER 440 variable frequency drive, identified by part number 6SE6440-2UD27-5CA1, is engineered for optimal motor management. It efficiently delivers a power rating of 7.5 kW equivalent to 10 horsepower, providing reliable performance across various applications. This drive achieves an operational efficiency of up to 97%, ensuring minimal energy losses during operation.

The inverter accommodates three-phase input voltage ranges from 380 V to 480 V, allowing a tolerance of ±10%. This specification is vital for applications requiring robustness in voltage supply. With an apparent power capacity of 14.0 kVA, it supports demanding load requirements. The maximum current ratings are listed as 18.4 A for constant torque and 26.0 A for variable torque, ensuring it can manage a variety of operational conditions effectively.

This frequency drive operates within a frequency range of 47 to 63 Hz, with control techniques including V/f Control, FCC, and Sensorless Vector allowing for adaptability based on application needs. Additional overload ratings include a constant torque overload capacity of 150% for up to 60 seconds and 200% for short durations of 3 seconds, along with a continuous variable torque overload of up to 110%. The 6SE6440-2UD27-5CA1 features six isolated programmable digital inputs and two analog inputs with various voltage and current configurations (±10 V, 0–20 mA, 0–10 V) to fit different setups.

The device is housed in an IP20-rated enclosure, providing protection against solid objects of a limited size but not suitable for wet or harsh environments. Overall, the Siemens 6SE6440-2UD27-5CA1 is designed to offer high efficiency, flexibility, and reliability in motor control applications.