Order No.：6RA8028-6DV62-0AA0
Brand：Siemens
Series：SINAMICS DCM
Type：DC Converter, 4‑quadrant operation
Topology：(B6)A (B6)C connection
Status：Active (in production)
1. Input Specifications (Armature Circuit)
| Parameter | Value |
|---|---|
| Input type | 3‑phase AC |
| Rated input voltage | 400 V AC, +15 % / −20 % |
| Rated input current | 75 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. Output Specifications (Armature Circuit)
| Parameter | Value |
|---|---|
| Rated output voltage | 420 V DC |
| Rated output current | 90 A |
| Rated output power | approx. 36 kW |
| Dynamic overload | 110% × 60 s; 150% × 5 s (standard DCM class) |
| Steady‑state overload | 105% continuous (thermal‑limited) |
| Operation mode | 4‑quadrant (forward/reverse, motoring/regeneration) |
3. Field Circuit Specifications (Built‑in)
| Parameter | Value |
|---|---|
| Field rectifier model | D420/90 MREQ‑GEG6V62 |
| Field input | 2‑phase AC 380 … 480 V |
| Max. field output voltage | Adjustable up to 420 V DC |
| Max. field output current | 15 A |
| Field control | Fully controllable, closed‑loop adjustable excitation |
4. Power, Loss & Efficiency
| Parameter | Value |
|---|---|
| Rated output power | 36 kW |
| Typical power loss at rated load | ~360 W |
| Typical efficiency | ≥99 % at rated load |
5. Mechanical & Environmental Data
| Parameter | Value |
|---|---|
| Dimensions (W×D×H) | Approx. 300 × 520 × 390 mm |
| Net weight | 15.0 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 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
- Compact design, integrated power & control section
- Built‑in field power unit (no external field controller needed)
- Microprocessor‑based closed‑loop speed & current control
- Analog & digital settable inputs, encoder/tachometer feedback
- Safe torque‑off (STO) capable with external circuitry
- Suitable for industrial DC motor speed regulation, retrofit & original equipment
