6RA2593-4DS21-0
| part number | 6RA2593-4DS21-0 |
| Product Family | Siemens SIMOREG 6RA25 series DC converter |
| Function | DC drive converter for variable-speed control of DC motors |
| Rated Armature Current | Varies by exact model; the “593” in the part number often indicates the current rating |
| Rated Armature Voltage | Typically 400V / 460V / 480V (depends on configuration) |
| Field Voltage | Typically 230V or 400V (via internal field supply) |









