Siemens 6RA2881-6DV61-0 Technical Specifications
| Parameter | Value | Notes / Additional Info |
|---|---|---|
| Product Type | Fully Digital DC Converter | Part of the SIMOREG 6RA28 series |
| Rated Supply Voltage (Input) | 3AC 400V / 420V | 3-phase AC input |
| Rated DC Armature Current | 400A | Continuous rated output current |
| Overload Current Capability | 600A (1.5x Rated) | For specific overload duration depending on previous load cycle |
| Rated Supply Frequency | 50/60 Hz | Typical for standard industrial supplies |
| Converter Configuration | 4-Quadrant (Reversible) | Code “6DV” in part number indicates fully reversible operation for forward/reverse motoring and regenerative braking |
| Control Type | Microprocessor-based closed-loop control | Includes current, speed, and flux control |
| Cooling Method | Forced air / Internal fan | |
| Degree of Protection | IP20 | Typical for cabinet installation |
| Dimensions (H x W x D) | Approx. 625mm x 268mm x 318mm | Based on physical size class for 400A-600A units in this series |
| Typical Application | Variable speed DC motor drives for heavy industry | Cranes, extruders, hoists, and machine tools |






