Siemens 6RA2875‑6DS21‑0 SIMOREG 6RA28 DC Converter, 400V 200A
Siemens SIMOREG 6RA28 6RA2875‑6DS21‑0 single‑quadrant non‑regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 200A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry medium‑power DC variable‑speed motor applications.