Order No.：6RA8075-6DV62-0AA0
Brand：Siemens
Series：SINAMICS DCM
Type：DC Converter, 4‑quadrant operation (motoring/regeneration, forward/reverse)
Topology：(B6)A (B6)C fully controlled 3‑phase bridge
Status：Active (in production)
1. Armature Input Specifications
| Parameter | Value |
|---|---|
| Input type | 3‑phase AC |
| Rated input voltage | 400 V AC, +15 % / −20 % |
| Permissible input voltage | 380 … 480 V AC |
| Rated input current | 174 A |
| Input frequency | 45 … 65 Hz |
| Control electronics supply | 2‑phase 380 … 480 V AC, 50/60 Hz |
| Fan supply | Integrated, powered from main input |
2. Armature Output Specifications
| Parameter | Value |
|---|---|
| Rated output voltage | 420 V DC |
| Rated output current | 210 A |
| Rated output power | 88.2 kW |
| Operation mode | 4‑quadrant |
| Dynamic overload | 110% × 60 s; 150% × 5 s |
| Steady‑state overload | 105% continuous (thermal‑limited) |
| Rectifier type | Thyristor‑based, fully controlled |
3. Built‑in Field Circuit Specifications
| Parameter | Value |
|---|---|
| Field rectifier model | D420/210 MREQ‑GEGF6V62 |
| Field input supply | 2‑phase AC 380 … 480 V |
| Max. field output voltage | Adjustable up to 420 V DC |
| Max. field output current | 21 A |
| Field control | Fully controllable, closed‑loop adjustable excitation |
| Function | For separately excited DC motor field winding |
4. Power, Loss & Efficiency
| Parameter | Value |
|---|---|
| Rated output power | 88.2 kW |
| Typical power loss at rated load | ~880 W |
| Typical efficiency | ≥99.0 % at rated load |
5. Mechanical & Environmental Data
| Parameter | Value |
|---|---|
| Dimensions (W×D×H) | Approx. 390 × 520 × 600 mm |
| Net weight | Approx. 65 kg |
| Protection class | IP20 |
| Cooling | Forced ventilation (AF) |
| Ambient operating temperature | 0 … 40 °C (derate above 40 °C) |
| Storage/transport temperature | −40 … +70 °C |
| Installation altitude | Up to 1000 m above sea level |
| Installation orientation | Vertical, wall‑mounted |
6. Standards & Certifications
Compliant with EN 50178, EN 60146‑1‑1, EN 61800‑1, EN 61800‑3, EN 61800‑5‑1, IEC 62103, UL/CSA recognized
7. Key Features & Applications
- 4‑quadrant operation with regenerative braking capability
- Integrated field power unit (no external field controller required)
- 32‑bit microprocessor, high‑precision closed‑loop speed & current control
- Support for encoder/tachometer feedback, high control accuracy
- Comprehensive protection: overcurrent, overvoltage, undervoltage, overtemperature, phase loss, short circuit, field failure, overspeed
- Suitable for rolling mills, extruders, cranes, elevators, test stands, wire drawing machines, presses, and high‑power industrial DC motor drives
