Core Electrical Specifications
| Parameter | Value | Description |
|---|---|---|
| Product Type | SINAMICS DCM Four-Quadrant Converter (4QC) | B6 thyristor bridge for bidirectional power flow (motoring/regeneration) |
| Armature Output Rated Voltage | 420 V DC (±420 V DC for 4QC) | Continuous DC output for motor armature |
| Armature Output Rated Current | 30 A (Load Class I) | Continuous current for steady-state operation |
| Armature Overload Current | 45 A (150% of 30 A) | For 60 s in 300 s cycle (Load Class II) |
| Input Voltage (Armature Power) | 3-phase AC 400 V ±10% (380-480 V AC compatible) | Industrial standard 3-phase power input |
| Input Current (Rated) | 25 A (3-phase AC) | Continuous input current at rated load |
| Input Frequency | 50/60 Hz ±5% (45-65 Hz operation range) | Global grid compatibility |
| Field Output Voltage | 325 V DC | Max DC voltage for motor field winding |
| Field Output Current | 5 A DC | Continuous field current supply |
| Field Input | 2-phase AC 400 V | Power for field rectifier circuit |
| Control Voltage | 24 V DC ±10% | For logic and control electronics |
| Power Factor | >0.9 (rated load) | Grid-friendly operation |
| Efficiency (η) | >0.96 | High energy conversion efficiency |
| Rated Power | 12.6 kW (30 A × 420 V DC) | Continuous output power at rated load |
Mechanical & Thermal Specifications
| Parameter | Value | Description |
|---|---|---|
| Cooling Type | Forced Air Cooling (Integrated Fan) | Internal fan for heat dissipation; no external cooling required |
| Heat Dissipation | Approx. 500 W | Steady-state power loss at rated load |
| Dimensions (W×H×D) | 268 × 385 × 221 mm | Compact form factor for cabinet mounting |
| Weight | Approx. 11 kg | Net weight for installation planning |
| Operating Temperature | 0°C to 45°C | Standard industrial ambient range |
| Storage Temperature | -20°C to 60°C | Safe storage conditions |
| Degree of Protection (IP) | IP20 (Cabinet Mounted) | Protection against finger contact and dust |
| Circuit Configuration | Thyristor B6A/B6C Bridges | Isolated thyristor modules for armature/field power sections |
Functional & Miscellaneous
| Feature | Details | |
|---|---|---|
| Control Modes | Armature voltage, current, speed, torque control | Precision regulation for diverse industrial loads |
| Regeneration | Yes (4QC) | Four-quadrant operation enables energy feedback to grid |
| Protection Functions | Overcurrent, overvoltage, undervoltage, overtemperature, short circuit, field loss | Comprehensive protection for converter and motor |
| Communication | PROFIBUS DP (standard), PROFINET, CANopen (optional) | Seamless integration with automation systems |
| Option | Base Configuration (0AA0) | Standard hardware/software with field rectifier (D420/30 MREQ‑GEG6V62) |
| Application | Industrial DC motor control for conveyors, mixers, small cranes, and test benches | Precise speed/torque control with four-quadrant operation |








