Product Introduction
With an efficiency of 0.97 and a power factor of 0.95, the Siemens 6SE6440-2UD41-1FB1 MICROMASTER 440 Drive Module achieves substantial energy savings in industrial applications. This industrial automation module is designed for variable-speed control of three-phase AC motors, providing robust overload capabilities and flexible integration. Part of the renowned MICROMASTER 440 family, the 6SE6440-2UD41-1FB1 handles demanding loads while minimizing downtime and operational costs.
Technical Specifications Breakdown
| Parameter |
Value |
| Input Phases |
3 AC |
| Line Voltage |
380...480 V ±10% |
| Line Frequency |
47...63 Hz |
| Rated Current (LO) |
245.00 A |
| Rated Current (HO) |
200.00 A |
| Output Phases |
3 AC |
| Rated Voltage |
480 V |
| Rated Power (LO) |
132.00 kW / 200.00 hp |
| Rated Power (HO) |
110.00 kW / 150.00 hp |
| Rated Current (LO) |
250.00 A |
| Rated Current (HO) |
205.00 A |
| Pulse Frequency |
4,000 Hz |
| Output Frequency (V/f) |
0...267 Hz |
| Power Factor |
0.95 |
| Efficiency |
0.97 |
| Cooling |
Fan |
| Ambient Temp (Operation) |
0...40 °C |
| Ambient Temp (Transport/Storage) |
-40...70 °C |
The 0.97 efficiency directly reduces electricity costs over the drive's lifetime. The low overload (LO) rating of 245 A input and 250 A output supports continuous heavy-duty processes. High overload (HO) at 200 A input and 205 A output handles temporary peak demands, making the 6SE6440-2UD41-1FB1 suitable for applications with varying load profiles.
Industry Applications
In pump and fan systems, the Siemens 6SE6440-2UD41-1FB1 Drive Module delivers variable-speed control to match flow demand, leveraging its 0.95 power factor to improve overall system efficiency. For conveyor lines, the overload capability ensures uninterrupted operation during material jams or start-up surges. The 0...267 Hz output frequency range also accommodates high-speed spindle drives in machining centers.
Maintenance & Reliability
Fan cooling keeps internal components within the 0 to 40 °C operating range, extending service life. Regularly inspect the cooling fan and air intakes for dust buildup. The 6SE6440-2UD41-1FB1’s high overload design (136% for 57 seconds) reduces the risk of nuisance trips, minimizing production interruptions. Scheduled thermal checks every six months help maintain the drive’s reliability.
Troubleshooting & Common Issues
Overload faults typically occur when the motor current exceeds the rated limits for extended periods. Verify that the load profile matches the LO or HO settings (150% for 1 second in LO, 136% for 57 seconds in HO). If the drive trips on overcurrent, inspect the motor insulation and cable connections. The 47...63 Hz line frequency tolerance ensures stable operation even with weak grid conditions.
Selection Guide & Purchasing Advice
Before purchasing the Siemens 6SE6440-2UD41-1FB1, confirm your supply voltage (380...480 V ±10%) and required motor power (up to 132 kW LO or 110 kW HO). Ensure adequate ventilation for the fan cooling. For a reliable source, consider PLC Source PRO, your trusted partner for genuine industrial automation spares. Visit ubest101.myshopify.com for detailed availability.