Date: September 16, 2026 Source: Industrial Automation Components Supplier
The classic Siemens MICROMASTER 440 series AC inverter 6SE6440-2UD31-1CA1 remains a trusted drive solution for global factory retrofitting and equipment spare part replacement, serving heavy-duty motor speed control applications across multiple industries.
Designed for 3-phase 380V–480V industrial power networks, this 11kW constant torque inverter delivers outstanding overload performance: 150% rated current for 60 seconds and 200% peak current for 3 seconds. With dual vector and V/F control modes, the drive ensures smooth, precise motor regulation for conveyors, pumps, fans and general processing machinery.
Equipped with rich I/O terminals and built-in RS485 communication port, the inverter can easily integrate with PLC and automation control systems. IP20 protection and a wide operating temperature range from -10°C to +50°C allow stable operation inside electrical cabinets under typical factory workshop conditions. Comprehensive protection functions including overcurrent, overvoltage, overload, short circuit and overheat protection effectively reduce unexpected downtime.
This model comes without built-in filter. The operator panel (BOP/AOP) is sold separately. Though classified as an obsolete product, it is still in strong market demand as spare parts to maintain existing production lines. Many manufacturers prefer this proven drive for equipment repair instead of full system upgrade to save project cost and shorten downtime.
Industry engineers comment that MICROMASTER 440 series drives feature simple commissioning, robust structure and long service life. The 6SE6440-2UD31-1CA1 continues to be a cost-effective option to keep legacy automation systems running reliably.
Key Specifications
表格
| Item | Specification |
|---|---|
| Model | 6SE6440-2UD31-1CA1 |
| Series | Siemens MICROMASTER 440 |
| Power | 11kW CT /15kW VT |
| Input | 3AC 380–480V |
| Control | Vector & V/F control |
| Protection | IP20 |
For industrial customers searching for original and tested spare inverters, this model is ready for shipment to support production maintenance worldwide.
Post time: Sep-16-2026
