Siemens 6SE6440-2UD35-5FB1 MICROMASTER 440 Drive

The Siemens 6SE6440-2UD35-5FB1 is a high-power MICROMASTER 440 industrial drive designed for three-phase motor systems requiring a 55 kW constant torque rating. For appropriate square-law torque applications, Siemens lists a 75 kW power rating, supporting larger industrial drive requirements where the load profile permits this selection.

This without-filter 380–480 V inverter may be relevant to high-capacity pumps and fans, heavy-duty conveying equipment, process machinery, production plant systems and existing MM440 installations requiring spare-part or replacement evaluation. Its large enclosure size and high-power duty make careful technical confirmation essential before order placement.

Please submit the complete Siemens order number, motor and load information, quantity, delivery location and replacement requirements to obtain pricing or application review support.

Q1: What power ratings apply to Siemens 6SE6440-2UD35-5FB1?
A: Siemens lists this drive at 55 kW for constant torque applications and 75 kW for suitable square-law torque applications.

Q2: Is this one of the larger MICROMASTER 440 models in the listed range?
A: Yes. Within the current uploaded group, this model has the highest listed constant torque rating and uses an 850 × 350 × 320 mm enclosure.

Q3: What should be reviewed before sourcing this high-power replacement drive?
A: Confirm the exact order number, motor load, torque duty, cabinet dimensions, cooling arrangement, wiring and existing control requirements.

FAqS