Siemens 6SE6440-2UD25-5CA1 MICROMASTER 440 Drive

The Siemens 6SE6440-2UD25-5CA1 is a higher-capacity MICROMASTER 440 frequency inverter designed for industrial three-phase motor systems. It is rated at 5.5 kW / 7.50 hp in high overload operation and 7.5 kW / 10.00 hp in low overload operation, allowing the correct duty classification to be considered according to the machine requirement.

With its FSC frame size and 3 AC 380–480 V supply range, this drive is relevant to larger conveyors, pump and fan systems, production equipment and replacement projects involving installed MM440 hardware. Buyers should verify overload duty, motor data and installation dimensions before selecting this model.

For modernization projects, an MM440 replacement review may also include evaluation of a suitable SINAMICS G120 migration route, subject to control, wiring, communication and commissioning requirements.

Q1: What power ratings apply to Siemens 6SE6440-2UD25-5CA1?
A: This drive is rated at 5.50 kW / 7.50 hp in high overload operation and 7.50 kW / 10.00 hp in low overload operation.

Q2: What is the difference between high overload and low overload ratings?
A: High overload operation is intended for applications needing greater short-term torque capability, while low overload operation applies to loads with lower overload demands. Selection depends on the machine duty.

Q3: What frame size does this higher-capacity MM440 drive use?
A: This model uses the FSC frame size and measures 185 × 245 × 195 mm, with a net weight of approximately 5.50 kg.

Q4: Can this model be replaced by a SINAMICS G120 drive?
A: A SINAMICS G120 migration solution may be evaluated, but it is not an automatic drop-in replacement. Motor data, control wiring, communication and commissioning requirements must be reviewed.

FAqS