Siemens SIMOREG‑K 6RA2487‑4GV62‑0 four‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 850A, regenerative energy feedback to mains without external braking resistor, digital armature & field control, heavy‑duty forced‑air cooling, for high‑power reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2491‑4GS22‑0 single‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 1200A, non‑regenerative operation requiring external braking resistor, digital armature & field control, heavy‑duty forced‑air cooling, for high‑power non‑reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2487‑4GS22‑0 single‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 850A, non‑regenerative operation requiring external braking resistor, digital armature & field control, forced‑air cooling, for heavy‑duty non‑reversible DC motor speed‑control applications.
Siemens SIMOREG K 6RA2475‑6DV62‑0 four‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 200A, energy regenerative feedback to mains, digital armature & field control, forced‑air cooling, for high‑precision reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2477‑6GS22‑0 microprocessor‑based 4‑quadrant DC converter, 3‑phase AC 400V input, armature DC 485A, field rectifier 250MRE‑GEEF‑6S22, for variable‑speed DC motor control, cabinet floor‑mount design for heavy‑duty industrial machinery retrofit and replacement applications.
Siemens SIMOREG 6RA28 6RA2818‑6DS21‑0 single‑quadrant non‑regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 30A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry low‑power DC variable‑speed motor applications.
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