Order No.：6RA8025-6DV62-0AA0
Brand：Siemens
Series：SINAMICS DCM
Type：DC Converter, 4‑quadrant operation (forward/reverse motoring & regenerative braking)
Topology：(B6)A + (B6)C fully controlled 3‑phase bridge
Status：PM300 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 | 320 … 460 V AC |
| Rated input current | 50 A |
| Input frequency | 45 … 65 Hz |
| Control electronics supply | 2‑phase AC 380 … 480 V, 50/60 Hz |
| Fan supply | Integrated, powered from main input |
| Cooling system | Forced ventilation (AF) |
2. Armature Output Specifications
| Parameter | Value |
|---|---|
| Rated output voltage | 420 V DC |
| Rated output current | 60 A |
| Rated output power | 25.2 kW |
| Operation mode | 4‑quadrant (forward/reverse, motoring/regeneration) |
| 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 | D420/60 MREQ‑GEG6V62 |
| Field input supply | 2‑phase AC 380 … 480 V |
| Max. field output voltage | Up to 325 V DC |
| Max. field output current | 10 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 | 25.2 kW |
| Typical power loss at rated load | ~0.25 kW |
| Typical efficiency | ≥99.0 % at rated load |
5. Mechanical & Environmental Data
| Parameter | Value |
|---|---|
| Dimensions (W×D×H) | Approx. 250 × 280 × 400 mm |
| Net weight | Approx. 12.0 kg |
| Protection class | IP20 |
| 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. Protection Functions
- Overcurrent, overvoltage, undervoltage protection
- Overtemperature, phase failure, short‑circuit protection
- Field loss, overspeed, motor overtemperature protection
- Electronic thermal motor protection
- Earth‑fault detection & protection
7. 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
8. Key Features & Applications
- 4‑quadrant operation with full regenerative energy feedback
- 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 dynamic response
- Wide speed regulation range, strong low‑speed torque
- Suitable for medium‑power industrial applications: conveyors, winders, small extruders, mixers, test stands, pumps, fans, and general medium‑power DC motor drive systems
