Core Product Info
- Catalog No.：6RA8085-6DV62-0AA0-Z L11
- Product Family：SINAMICS DCM (DC Master), 4‑quadrant DC drive converter (successor to 6RA70 series)
- Description：Microprocessor‑controlled 4‑quadrant DC converter for bidirectional motoring & regeneration; 3‑phase AC input, DC armature/field output; forced air cooling; for high‑power DC motor speed/torque control
- Lifecycle：Active (full production & support)
- Country of Origin：Germany
- ECCN：EAR99
- Certifications：CE, UL, cUL, IEC 61800‑2, EN 61800‑3 (EMC)
- Net Weight：~31 kg (68.3 lbs)
- Mounting：Cabinet/panel mount (vertical preferred)
- Cooling：Forced air cooling (internal fan)
- Protection Class：IP00 (open chassis); IP20/IP23 with optional covers
Key Technical Specifications
| Parameter | Value |
|---|---|
| Input (3‑Phase AC) | 400 V AC nominal (380–460 V AC range); 498 A max input current; 50/60 Hz |
| Armature Output (DC) | 420 V DC nominal; 600 A continuous; 4‑quadrant (B6A/B6C bridge) |
| Field Output (DC) | 320 V DC, 25 A; L11: 2‑quadrant (bidirectional) field rectifier (supports field reversal for motor direction control) |
| Rated Power | ~252 kW (armature) |
| Control Type | Digital closed‑loop (speed, torque, current); fast current/speed control loops |
| Processor | 32‑bit high‑performance microcontroller |
| Communication | Standard: USS/Modbus RTU (RS485); Optional: Profibus DP, PROFINET, EtherNet/IP (via add‑on modules) |
| Overload Capability | 150% for 60 s; 200% for 10 s (armature) |
| Power Loss (Rated Load) | ~1,844 W |
| Operating Temp | 0 … +40 °C (ambient, no derating); derate above 40 °C |
| Storage Temp | -25 … +70 °C |
| Relative Humidity | 5–95% (non‑condensing) |
| Max Altitude (No Derating) | 1000 m |
| Dimensions (H×W×D) | 625 × 268 × 275 mm (base unit) |
Option Code L11
| Code | Description |
|---|---|
| L11 | 2‑quadrant (bidirectional) field power unit (enables field current reversal for motor direction control; replaces standard 1‑quadrant field rectifier) |
