Industry automation over 20 year
Siemens SIMOREG‑K 6RA2491‑4GV62‑0 four‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 1200A, regenerative energy feedback to mains without external braking resistor, digital armature & field control, heavy‑duty forced‑air cooling, for ultra‑high‑power reversible DC motor speed‑control applications.
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 6RA2477‑6DV62‑0 four‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 250A, regenerative energy feedback to mains without external braking resistor, digital armature & field control, forced‑air cooling, for heavy‑duty reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2481‑6DV62‑0 four‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 400A, regenerative energy feedback to mains without external braking resistor, digital armature & field control, forced‑air cooling, for heavy‑duty reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2485‑6DV62‑0 four‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 600A, regenerative energy feedback to mains without external braking resistor, digital armature & field control, heavy‑duty forced‑air cooling, for ultra‑high‑power reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2432‑6DV62‑0 four‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 140A, regenerative energy feedback to mains without external braking resistor, digital armature & field control, forced‑air cooling, for medium‑heavy‑duty reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2425‑6DV62‑0 four‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 60A, regenerative energy feedback to mains without external braking resistor, digital armature & field control, forced‑air cooling, for medium‑duty reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2475‑6DS22‑0 single‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 200A, 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 6RA2431‑6DS22‑0 single‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 125A, non‑regenerative operation requiring external braking resistor, digital armature & field control, forced‑air cooling, for medium‑heavy‑duty non‑reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2425‑6DS22‑0 single‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 60A, non‑regenerative operation requiring external braking resistor, digital armature & field control, forced‑air cooling, for medium‑duty non‑reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2428‑6DS22‑0 single‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 90A, non‑regenerative operation requiring external braking resistor, digital armature & field control, forced‑air cooling, for medium‑duty non‑reversible DC motor speed‑control applications.
Siemens SIMOREG‑K 6RA2418‑6DS22‑0 single‑quadrant fully‑digital thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 30A, non‑regenerative operation requiring external braking resistor, digital armature & field control, forced‑air cooling, for light‑to‑medium‑duty non‑reversible DC motor speed‑control applications.
Siemens SIMOREG 6RA28 6RA2885‑6DV61‑0 four‑quadrant regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 600A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry high‑power DC variable‑speed motor applications.
Siemens SIMOREG 6RA28 6RA2881‑6DV61‑0 four‑quadrant regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 400A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry high‑power DC variable‑speed motor applications.
Siemens SIMOREG 6RA28 6RA2877‑6DV61‑0 four‑quadrant regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 250A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry medium‑power DC variable‑speed motor applications.
Siemens SIMOREG 6RA28 6RA2875‑6DV61‑0 four‑quadrant 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.
Siemens SIMOREG 6RA28 6RA2832‑6DV61‑0 four‑quadrant regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 140A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry medium‑power DC variable‑speed motor applications.
Siemens SIMOREG 6RA28 6RA2830‑6DV61‑0 four‑quadrant regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 100A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry medium‑power DC variable‑speed motor applications.
Siemens SIMOREG 6RA28 6RA2825‑6DV61‑0 four‑quadrant regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 60A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry low‑medium‑power DC variable‑speed motor applications.
Siemens SIMOREG 6RA28 6RA2818‑6DV61‑0 four‑quadrant 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.
Siemens SIMOREG 6RA28 6RA2877‑6DS21‑0 single‑quadrant thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 250A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry DC variable‑speed motor applications.
Siemens SIMOREG 6RA28 6RA2885‑6DS21‑0 single‑quadrant thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 600A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry high‑power DC variable‑speed motor application
Siemens SIMOREG 6RA28 6RA2881‑6DS21‑0 single‑quadrant thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 400A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry high‑power DC variable‑speed motor applications.
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.
Siemens SIMOREG 6RA28 6RA2831‑6DS21‑0 single‑quadrant non‑regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 125A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry medium‑power DC variable‑speed motor applications.
Siemens SIMOREG 6RA28 6RA2828‑6DS21‑0 single‑quadrant non‑regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 90A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry low‑medium‑power DC variable‑speed motor applications.
Siemens SIMOREG 6RA28 6RA2825‑6DS21‑0 single‑quadrant non‑regenerative thyristor DC converter, 3‑phase AC 400V input, rated armature DC current 60A, analog closed‑loop speed and current regulation, forced‑air cooling, for heavy‑industry low‑medium‑power DC variable‑speed motor 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.
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.
Discontinued Siemens SIMOREG‑K 6RA2477‑6DS22‑0 microprocessor‑controlled single‑quadrant DC converter with B6C circuit connection, 3‑phase 400 V AC input, D485/250 MRE‑GEEF‑6S22 controllable field rectifier, designed for single‑quadrant variable‑speed DC motor control, Germany origin, available only for spare‑part replacement.
The 6RA2487-2FV62 is Siemens SIMOREG-K 6RA24 four-quadrant microprocessor DC converter. Rated 460 V 3-phase input, 485 V DC / 850 A armature output with integrated controllable field supply. It supports regenerative operation, closed-loop speed control and 150% short-time overload. IP00 cabinet-mounted unit designed for high-power DC motors, widely used for winders, extruders and heavy-duty process machinery requiring bidirectional rotation and regenerative braking.
Siemens C98043‑A1663‑L1 power supply board, spare‑part printed‑circuit board designed for SIMOREG 6RA28 series DC converter units, provides internal auxiliary power for drive control electronics, manufactured in Germany for legacy DC‑drive system repair and component replacement.
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