Description
SIEMENS Frequency Converter Model 6SE6440-2UD21-1AA1
High-performance frequency converter designed for precise motor control and energy efficiency in industrial applications.
| Brand | SIEMENS |
| Model | 6SE6440-2UD21-1AA1 |
| Voltage | 380-480 V AC |
| Country of Origin | Germany |
| Weight | Approximately 5.5 kg |
| Dimensions | 250 mm x 150 mm x 130 mm (H x W x D) |
| Warranty | 2 years manufacturer warranty |
| Certifications | CE, UL, RoHS |
| SKU / MPN | 6SE6440-2UD21-1AA1 |
| What’s in the box | Frequency converter unit, user manual, mounting hardware |
| Power Rating | 4 kW (5.5 HP) |
| Output Frequency Range | 0 to 500 Hz |
| Control Type | Vector control with encoder feedback |
| Cooling Method | Integrated fan cooling |
| Communication Interfaces | PROFIBUS, Modbus RTU |
| Protection Class | IP20 |
| Operating Temperature | -10°C to +50°C |
Key benefits: Provides precise speed and torque control, reduces energy consumption, ensures reliable operation with advanced diagnostics and protection features.
Typical applications: Suitable for pumps, fans, conveyors, compressors, and other industrial motor-driven systems requiring variable speed control.
Order number: SIEMENS Frequency Converter Model 6SE6440-2UD21-1AA1
Lifecycle: Active product with ongoing support and updates
Documentation: User manual, installation guide, and technical datasheets available on SIEMENS official website
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
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Competitively priced
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Orders usually ship the same day
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Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
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David L. –
Good price for such a robust HMI. Technical documentation was clear.