Core Electrical & Power Parameters
| Parameter | Value | Description |
|---|---|---|
| Input Voltage | 3‑phase AC 400V (380–480V range) | Nominal power supply; tolerance ±10% |
| Input Current | 75A (3‑phase, at rated load) | Maximum AC input current at full load |
| Armature Output Current (Continuous) | 90A (Load Class I) | Rated continuous current; 135A for 60s (50% overload, 300s cycle) |
| Armature Output Voltage | 485V DC (max 500V DC) | Rated DC voltage for motor armature |
| Power Rating | ~43.65kW (90A × 485V DC) | Nominal power at rated current/voltage |
| Field Output Current | 5A (continuous) | Controllable field rectifier output |
| Field Output Voltage | 300V DC (max) | Maximum voltage for motor field winding |
| Circuit Topology | B6C (single‑quadrant, half‑controlled bridge) | Unidirectional power flow (motoring only, no regeneration) |
| Frequency | 50/60Hz | Compatible with standard industrial grids |
| Control Supply | 230V AC (±15%), 50/60Hz | Auxiliary power for logic and control circuits |
| Control Power Consumption | ~150VA | Typical power draw for microprocessor and I/O |
Overload & Protection Parameters
| Parameter | Value | Notes |
|---|---|---|
| Overload Current (Load Class I) | 135A for 60s (300s cycle) | 50% overload capacity for short‑term heavy loads |
| I²t Protection | Yes | Prevents thyristor degradation via cyclic thermal calculation |
| Protections | Overcurrent, overvoltage, undervoltage, overtemperature, field loss, short‑circuit | Comprehensive fault monitoring and shutdown |
| Fuse Rating (Input) | 125A (3‑phase, gL/gG type) | Recommended protection for power section |
Control & Interface Features
| Feature | Details | |
|---|---|---|
| Regulation | 16‑bit microprocessor; current and speed closed‑loop control; manual P/I parameter tuning | |
| I/O (Standard) | 6 digital inputs, 3 digital outputs, 2 analog inputs (±10V, 10‑bit), 1 analog output (±10V, 10‑bit) | |
| Communication | USS protocol (standard); optional PROFIBUS DP via external module | |
| Field Rectifier | D485/90 | Controllable field rectifier for 5A/300V DC field supply |
| Cooling | Forced air with temperature monitoring and fan failure detection | |
| Control Accuracy | Speed: ±0.5% (unloaded); Current: ±1% (rated current) | Typical regulation precision |
Physical & Environmental
| Parameter | Value | Notes |
|---|---|---|
| Dimensions (H×W×D) | 520mm × 260mm × 250mm | Chassis‑mount form factor |
| Weight | ~14kg (shipping ~16kg / 30.86 lbs) | Includes power, control, and cooling components |
| Operating Temperature | 0–40°C | Derate 2.5% per °C above 40°C |
| Storage Temperature | -25–70°C | No condensation allowed |
| Humidity | 5–95% RH (non‑condensing) | IP00 protection class; cabinet mounting required |
| Certifications | CE, UL, cUL | Compliant with global safety and EMC standards |
Ordering & Compatibility
| Item | Details | |
|---|---|---|
| Full Part Number | 6RA2428-6DS22-0 | Base unit without Z‑options |
| Replacement Model | 6RA8028-6DS22-0AA0 (SINAMICS DCM equivalent) | For new projects; 6RA24 series discontinued 01.01.2010 |
| Mounting | Chassis‑mount (cabinet installation) | Heavy‑duty construction for industrial environments |
| Discontinuation Date | 01.01.2010 | No longer in production; use 6RA8000 series as replacement |







